The Scott catalogue number for this issue is 5258.

Sleeping Bear Dunes (Priority Mail Express)With this Priority Mail Express stamp, the Postal Service celebrates the Sleeping Bear Dunes, a national park in Michigan that takes its name from a Native American legend.

This stamp will be issued January 21st in Kansas City, Missouri. There will not be a first-day ceremony.

Updated December 21st from the Postal Bulletin:

On January 21, 2018, in Kansas City, MO, the U.S. Postal Service® will issue the $24.70 Sleeping Bear Dunes Priority Mail Express® stamp, in one design, in a pressure-sensitive adhesive (PSA) pane of 4 stamps (Item 119800). The stamp will go on sale nationwide January 21, 2018.

With this new Priority Mail Express stamp, the U.S. Postal Service celebrates the Sleeping Bear Dunes, which take their name from a Native American legend. Rising 450 feet above Lake Michigan, the dunes are the highest perched dunes in the Great Lakes region and are protected within Sleeping Bear Dunes National Lakeshore. The stamp art celebrates the grandeur and serene natural beauty of the dunes and surrounding park. Dune grasses mark the beach in the foreground, as gulls dive and soar in the breeze. Art director Greg Breeding designed the stamp with original art by Dan Cosgrove.

Availability to Post Offices: Item 119800, $24.70 Sleeping Bear Dunes Priority Mail Express PSA Pane of 4 Stamps: Stamp Fulfillment Services (SFS) will not make an automatic push distribution to Post Offices™.

How to Order the First-Day-of-Issue Postmark:
Customers have 60 days to obtain the first-day-of-issue postmark by mail. They may purchase new stamps at their local Post Office, at 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 – Sleeping Bear Dunes 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 March 21, 2018.

Philatelic products for this stamp issue are as follows:

• 119816 First-Day Cover, $25.14.
• 119821 Digital Color Postmark, $25.85.

Technical details for the Sleeping Bear Dunes stamp will appear in a future edition of the Postal Bulletin.

Here is the Digital Color Postmark for this issue: It measures 2.62” x 1.47” It measures 2.98” x 1.35”

Updated January 21st, from the Postal Bulletin:

Technical Specifications:

Issue: Sleeping Bear Dunes Stamp
Item Number: 119800
Denomination & Type of Issue: $24.70 Priority Mail Express® rate
Format: Pane of 4 (1 design)
Series: N/A
Issue Date & City: January 21, 2018, Kansas City, MO 64108
Art Director: Greg Breeding, Charlottesville, VA
Designer: Greg Breeding, Charlottesville, VA
Typographer: Dan Cosgrove, Chicago, IL
Artist: Dan Cosgrove, Chicago, IL
Modeler: Joseph Sheeran
Manufacturing Process: Offset, Microprint
Printer: Ashton Potter (USA) Ltd. (APU)
Printed at: Williamsville, NY
Press Type: Muller A76
Stamps per Pane: 4
Print Quantity: 1,260,000 stamps
Paper Type: Nonphosphored Type III, Block Tag
Adhesive Type: Pressure-sensitive
Processed at: Ashton Potter (USA) Ltd. (APU)
Colors: Black, Cyan, Magenta, Yellow
Stamp Orientation: Horizontal
Image Area (w x h): 1.42 x 1.085 in/36.07 x 27.56 mm
Overall Size (w x h): 1.56 x 1.225 in/39.62 x 31.12 mm
Full Pane Size (w x h): 4.12 x 3.45 in/104.65 x 87.63 mm
Plate Size: 24 stamps per revolution
Plate Numbers: “P” followed by four (4) digits
Marginal Markings:
Front: Plate number in two corners of pane
Back: ©2017 USPS • USPS Logo • Four barcodes (119800) • Plate Position Diagram • Promotional Text