The Diagonal U.S. Flag Stamped Envelope will have its first-day launch at Americover
2026/BALPEX 2026 on August 7 in Linthicum Heights, MD. The combined show is being held at the BWI Marriott at Baltimore Washington Airport.
We will post additional information as it becomes available. The most recent will be just below the horizontal line.
Updated July 15th:
From the Postal Bulletin:
On August 7, 2026, in Linthicum Heights, MD, the U.S. Postal Service® will issue the Diagonal U.S. Flag stamped envelope (Forever® priced at the First-Class Mail® rate).
The latest stamped envelope with a patriotic theme features a red, white, and blue digital image of a detail of the U.S. flag shown at an angle. Diagonal U.S. Flag is being issued as a Forever stamped envelope. Its postage will always be equal to the value of the stamped envelope rate in effect at the time of use, even if the rate changes after purchase. Bryan Duefrene designed the art and directed the project.
The pressure-sensitive adhesive (PSA) Diagonal U.S. Flag (Forever) stamped envelope will be available in the following formats in the field and through Stamp Fulfillment Services:
- #10 regular envelope (Item 293100).
- #10 window envelope (Item 293200).
- #9 regular security envelope (Item 292700).
- #9 window security envelope (Item 292800).
- #6-¾ regular envelope (Item 281900).
- #6-¾ window envelope (Item 282000).
The water-activated gum (WAG) Diagonal U.S. Flag (Forever) stamped envelope will be available in the following formats only through Stamp Fulfillment Services at store.usps.com/store/home or by calling 844-737-7826:
- #10 regular envelope (Item 293900).
- #10 window envelope (Item 294000).
- #9 regular security envelope (Item 292900).
- #6-¾ regular envelope (Item 282100).
No automatic distribution.
How to Order the First-Day-of-Issue Postmark:
The first-day-of-issue postmark is a postmark notating the day a stamp is first authorized for use by the Postal Service™. Customers have 120 days to obtain the first-day-of-issue postmark by mail. All requests for first-day-of-issue postmarks must be sent to the following address. All orders must be postmarked by December 7, 2026:
FDOI – Diagonal U.S. Flag Stamped Envelope
USPS Stamp Fulfillment Services
8300 NE Underground Drive, Suite 300
Kansas City, MO 64144-9900
Technical Specifications:
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 293200
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #10 Window Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Flexographic, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 9.5000 x 4.1250 in. / 241.3000 x 104.7750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 292700
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #9 Regular Security Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 8.8750 x 3.8750 in. / 225.4250 x 98.4250 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 293100
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #10 Regular Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Muller A76
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 9.5000 x 4.1250 in. / 241.3000 x 104.7750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 292800
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #9 Window Security Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 8.8750 x 3.8750 in. / 225.4250 x 98.4250 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 281900
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #6¾ Regular Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 6.5000 x 3.6250 in. / 165.1000 x 92.0750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 282000
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #6¾ Window Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 6.5000 x 3.6250 in. / 165.1000 x 92.0750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 293900
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #10 Regular Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Flexographic, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 6l# Postal Envelope, Block, Type III
Adhesive Type: Water-activated
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 9.5000 x 4.1250 in. / 241.3000 x 104.7750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 294000
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #10 Window Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Flexographic, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Water-activated
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 9.5000 x 4.1250 in. / 241.3000 x 104.7750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 292900
Denomination & Type of Issue: First-Class Stamped Envelope Forever
Format: #9 Regular Security Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Water-activated
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 8.8750 x 3.8750 in. / 225.4250 x 98.4250 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
Issue: Diagonal U.S. Flag Stamped Envelope
Item Number: 282100
Denomination &
Type of Issue: First-Class Stamped Envelope Forever
Format: #6-¾ Regular Envelope
Issue Date & City: August 7, 2026, Linthicum Heights, MD 21090
Art Director: Bryan Duefrene, Washington, DC
Designer: Bryan Duefrene, Washington, DC
Modeler: Daryl DeMont
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Press Type: Halm Jet EM4000
Folding Machine: W&D #527
Print Quantity: Fulfillment
Paper Type: 61# Postal Envelope, Block, Type III
Adhesive Type: Water-activated
Processed at: Ashton Potter (USA) Ltd. (APU)
Envelope Orientation: Horizontal
Envelope Size: (w x h): 6.5000 x 3.6250 in. / 165.1000 x 92.0750 mm.
Image Size (w x h): 2.0460 x 1.2460 in. / 51.9680 x 31.6480 mm.
Colors: Cyan, Magenta, Yellow, Black, PMS 339 Green
Marginal Markings: FOREST STEWARDSHIP COUNCIL Logo • “THIS ENVELOPE IS RECYCLABLE AND MADE WITH 30% POST CONSUMER CONTENT” • Recycling Logo • © USPS 2026
There is only one First Day Of Issue postmark for this issue, although one or more show cancels is likely: