USPS supplied image.  Data is still tentative.

44¢ Flags of our Nation - Set 4
(Sennett Security Products)
Self Adhesive Coil of 50
Scott # 4312b 4303  U. S. Flag over mountain (The plate number S111111111 is on this stamp)
4304  Montana flag
4305  Nebraska flag
4306  Nevada flag
4307  New Hampshire flag
  Strip of 5, #4307a
4308  New Jersey flag
4309  New Mexico flag
4310  New York flag
4311  North Carolina flag
4312  North Dakota flag
  Strip of 5, #4312a
  Plate # strip of 10, #4307a + 4302a (may be collected as 1 strip of 10 or 2 separate strips of 5)
    There is also an unnumbered listing for a plate number strip of 11, with the plate number centered.
Series USPS - NA ~ PNC3 - Flag / Patriotic
Issue Date & City April 16, 2010, at Mega Stamp Show, New York, NY 10199
Nationwide Sale April 16, 2010
Designer Howard E. Paine, Delaplane, VA
Art Director Howard E. Paine, Delaplane, VA
Typographer Howard E. Paine, Delaplane, VA
Artist Tom Engeman, Bethany Beach, DE
Modeler Donald Woo
Engraver Southern Graphics, Richmond, VA
To Press / Initial Quantity Winter, 2010 / 500 Million stamps
Coil Size 50
Printer American Packaging Corporation for Sennett Security Products (SSP)
Press Cerrutti, 950
Process Gravure
Where Printed Columbus, WI
Where Processed Unique Binders, Fredericksburg, VA
Plate Size & Interval 760 stamps per revolution / plate # every 10 stamps
Paper Type Prephosphored, USPS Type I
Adhesive Type Pressure Sensitive
Tagging Type Prephosphored - Surface Tagged. Smooth
Die Cut Gauge Serpentine Die Cuts - 11.1 Vertically - 13 x 13 Peak/Valley (P/V)
Colors Magenta, Yellow, Cyan, Black, PMS 4625 (Brown), PMS 3425 (Green), PMS 187 (Red), Medium Blue, Dark Blue
Image Size (w x h) 1.59 x 0.81 in. / 40.41 x 20.57 mm
Overall Size (w x h) 1.74 x 0.96 in. / 44.20 x 24.38 mm
Back Numbers None
Earliest Known Use April 16, 2010
USPS Order Numbers 787640 Full Coil of 50 - $22.00
787663 First Day Cover - Set of 10 - $8.20
Official Announcement

On April 16, 2010, in New York, New York, at the Mega Stamp Show, the Postal Service™ will issue the 44-cent definitive stamps Flags of Our Nation in ten designs, in a pressure-sensitive adhesive (PSA) coil of 50 (Item 787600). Designed by Howard E. Paine of Delaplane, Vir­ginia, the stamps go on sale nationwide April 16, 2010.

The U.S. Postal Service® continues its Flags of Our Nation series with ten more stamp designs. These stamps will feature the Stars and Stripes stamp that depicts the “purple mountain majesties” inspired by the opening lines of “America the Beautiful” by Katharine Lee Bates (1859–1929), plus the states of Montana through North Dakota. Artist Tom Engeman, Bethany Beach, Delaware, created the highly detailed flag portraits on the stamps, reproducing as accurately as possible such complex elements as intricate state seals and coats of arms. In addition to the flag art, each stamp design includes a “snapshot view” of the state or other area represented by a particular flag. This artwork, also by Tom Engeman, usually shows an ordinary scene or activity, or a typical plant or animal, but occasionally it depicts something less commonplace.

Note Shipped to post offices in sticks of up to 10 coils.
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 Web® site at, or by calling 800-STAMP-24. They should affix the stamps to envelopes of their choice, address the envelopes (to themselves or others), and place them in a larger envelope addressed to:
Flags of Our Nation Set 4
421 Eighth Ave., Room 2029B
New York, NY 10199-9998
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. All orders must be postmarked by June 16, 2010.
How to Order First Day Covers
Stamp Fulfillment Services (SFS) also offers first day covers for new stamp issues and Postal Service stationery items postmarked with the official first day of issue cancellation. Each item has an individual catalog number and is offered in the quarterlyUSA Philatelic Catalog. Customers may request a free catalog by calling 800-STAMP-24 or writing to:
DEPT 6270
PO BOX 219014
KANSAS CITY MO 64121-9014
Philatelic Products
There are three philatelic products available for this stamp issue:
  • 787663*, First Day Cover (set of 10), $8.20.
  • 787668*, Digital Color Postmark (set of 10), $15.00.
  • 787691*, Ceremony Program with random stamp, $6.95.
Collect the entire series of the Flags of Our Nation stamps! Purchase our Collector’s Folio, Item No. 786575, $29.95, that contains the Series 1 coil with mounts and placeholders for all of the Flags of Our Nation series stamps.
Items with an asterisk (*) will use the 128 barcode from SFS. All other philatelic products will continue to use barcode series A, with the exception of the Yearbook and the Guide Book.
Distribution: Item 787600, 44-cent, Flags of Our Nation PSA Coil of 50 Stamps.
Select stamp distribution offices (SDOs) will receive an initial quantity of 8,000 coils in cartons of 800 coils. Stamp distribution centers (SDCs) will receive substantial quantities to service their areas.
Initial Supply to Post Offices
SDOs will not make an automatic distribution to Post Offices. SDOs must not distribute this stamp to Post Offices before 10 days prior to the first day of issue.
Additional Supply
Post Offices requiring coils must requisition them from their designated SDO/SDC using PS Form 17, Stamp Requisition/Stamp Return. SDOs requiring additional coils must order them from the appropriate SDC using PS Form 17. For fulfilling supplemental orders from SDOs, all of the SDCs will receive additional coils to support the SDOs.
Sales Policy
All Post Offices must acquire and maintain a supply of each new commemorative stamp as long as customer demand exists, until inventory is depleted, or until the stamp is officially withdrawn from sale. If supplies run low, Post Offices must reorder additional quantities using their normal ordering procedures.