The Scott catalogue number for this stamp is 5280.

From the USPS: Peace Rose celebrates one of the most popular roses of all time. The peace rose revolutionized hybrid tea roses with its unique coloring, hardiness, and disease resistance.

This stamp will be issued April 21 in Shreveport, Louisiana. The American Rose Society has its headquarters and its Gardens of the American Rose Center in that city. A first-day ceremony for the stamp is not yet on its website calendars.

Updated March 16th from the Postal Bulletin:

On April 21, 2018, in Shreveport, LA, the U.S. Postal Service® will issue the Peace Rose stamp (Forever® priced at the First-Class Mail® rate) in one design, in a pressure-sensitive adhesive double-sided booklet of 20 stamps (Item 681800). The stamp will go on sale nationwide April 21, 2018.

The new Peace Rose stamp celebrates one of the most popular roses of all time. The stamp art features a detail from a photograph of the Peace Rose blossom and its creamy yellow petals, with a touch of pink on the edges. The rose revolutionized hybrid tea roses with its unique coloring, hardiness, and disease resistance. Art director Ethel Kessler designed the stamp with an existing photograph taken by Richard C. Baer.

Availability to Post Offices: Item 681800, Peace Rose (Forever priced at the First-Class Mail rate) Double-sided Booklet of 20 Stamps. Stamp Fulfillment Services will not make an automatic push distribution to Post Offices™.

How to Order the First-Day-of-Issue Postmark:
Customers have 120 days to obtain the first-day-of-issue postmark by mail. They may purchase new stamps at their local Post Office, on The Postal Store® website at usps.com/shop, or by phone at 800-782-6724. They must affix the stamps to envelopes of their choice, address the envelopes (to themselves or others), and place them in a larger envelope addressed to:

FDOI – Peace Rose Stamp
USPS Stamp Fulfillment Services
8300 NE Underground Drive, Suite 300
Kansas City, MO 64144-9900

After applying the first-day-of-issue postmark, the Postal Service™ will return the envelopes through the mail. There is no charge for the postmark up to a quantity of 50. There is a 5-cent charge for each additional postmark over 50. All orders must be postmarked by August 21, 2018.

Philatelic products for this stamp issue are as follows:

• 681810 Digital Color Postmark Keepsake, $11.95.
• 681816 First-Day Cover, $0.94.
• 681821 Digital Color Postmark, $1.65.
• 681830 Ceremony Program, $6.95.

Technical Specifications:

Issue: Peace Rose Stamp
Item Number: 681800
Denomination & Type of Issue: First-Class Mail Forever
Format: Double-sided Booklet of 20 (1 design)
Series: N/A
Issue Date & City: April 21, 2018 Shreveport, LA 71102
Art Director: Ethel Kessler, Bethesda, MD
Designer: Ethel Kessler, Bethesda, MD
Typographer: Ethel Kessler, Bethesda, MD
Existing Photo: Richard C. Baer
Modeler: Joseph Sheeran
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Printed at: Williamsville , NY
Press Type: Muller A76
Stamps per Booklet: 20
Print Quantity: 400,000,000 stamps
Paper Type: Nonphosphored Type III, Block Tag
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Stamp Orientation: Vertical
Image Area (w x h): 0.73 x 0.84 in./18.54 x 21.34 mm
Stamp Size (w x h): 0.87 x 0.98 in./22.10 x 24.89 mm
Full Booklet Size (w x h): 5.52 x 1.96 in./140.21 x 49.78 mm
Colors: Black, Cyan, Magenta, Yellow
Plate Size: 1040 stamps per revolution
Plate Numbers: “P” followed by four (4) single digits
Marginal Markings: Header: “Peace Rose” Twenty First-Class Forever Stamps • Plate number in peel strip area • © 2017 USPS in peel strip area • Barcode • Promotional Information