USPS supplied image. Data is still tentative.

44¢ Flags of our Nation - Set 3
(Sennett Security Products)
Self Adhesive Coil of 50
Scott # 4302b 4293  Kentucky flag (The plate number S111111111 is on this stamp)
4294 Louisiana flag
4295 Maine flag
4296 Maryland flag
4297 Massachusetts flag
  Strip of 5, #4297a
4298 Michigan flag
4299 Minnesota flag
4300 Mississippi flag
4301 Missouri flag
4302  American Flag with Amber Waves of Grain
  Strip of 5, #4302a
  Plate # strip of 10, #4297a + 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 August 6, 2009, Pittsburgh, PA 15290 (APS StampShow)
Nationwide Sale August 6, 2009
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 Spring 2009 / 500 Million stamps
Coil Size 50
Printer American Packaging Corporation / 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 appearance
Die Cut Gauge Serpentine Die Cuts - 11.1 Vertically - Peak/Valley
Colors Magenta, Yellow, Cyan, Black, PMS 4625 (Brown), PMS 3425 (Green), PMS 187 (Red), Medium Blue, Dark Blue
Overall Size (w x h) 1.74 x 0.96 in. / 44.20 x 24.38 mm
Image Size (w x h) 1.59 x 0.81 in. / 40.41 x 20.57 mm
Back Numbers None
Earliest Known Use August 6 , 2009
USPS Order Numbers 787540 Full Coil of 50 - $22.00
787563 First Day Cover - Set of 10 - $8.20
Availability  
Official Announcement On August 6, 2009, in Pittsburgh, Pennsylvania, at the David Lawrence Convention Center during the American Philatelic Society Stamp Show, the Postal Service™ will issue the 44-cent definitive stamps Flags of Our Nation at noon, in ten designs, in a pressure-sensitive adhesive (PSA) coil of 50 (Item 787500). The stamps, designed by Howard E. Paine of Delaplane, Virginia, go on sale nationwide August 6, 2009.

The U.S. Postal Service® continues its Flags of Our Nation series with ten more stamp designs scheduled for issuance in August. These stamps will feature the states of Kentucky through Missouri plus one with the Stars and Stripes over the amber waves of grain. 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.

Press Release Click here to read the press release.
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® website at www.usps.com/shop, 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 Stamp Set 3
Grant Street Station
700 Grant Street
Pittsburgh, PA 15219-1906
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 October 7, 2009.
How to Order First Day Covers
Stamp Fulfillment Services 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 quarterly USA Philatelic catalog. Customers may request a free catalog by calling 800-STAMP-24 or writing to:
Information Fulfillment
Dept. 6270
U.S. Postal Service
PO Box 219014
Kansas City, MO 64121-9014
Philatelic Products
There are three philatelic products available for this stamp issue:
  • 787563*, First Day Cover Set of 10, $8.20.
  • 787568*, Digital Color Postmark Set of 10, $15.00.
  • 787591*, Ceremony Program, $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 the Flags of Our Nation series stamps.
Items with an asterisk (*) will use the 128 barcode from Stamp Fulfillment Services. All other philatelic products will continue to use barcode series A, with the exception of the Yearbook and the Guide Book.
Distribution: Item 787500, 44-cent, Flags of Our Nation PSA Coil of 50 Stamps
All stamp distribution offices (SDOs) will receive an automatic distribution of the $22.00 Flags of Our Nation PSA coil of 50. Distributions are rounded up to the nearest master carton size (800 coils).
Initial Supply for Post Offices
SDOs will make a subsequent automatic distribution of Item 787500 to Post Offices of approximately 5 percent of their standard automatic distribution quantity using PS Form 17, Stamp Requisition/Stamp Return. SDOs must not distribute this commemorative coil to Post Offices before July 30, 2009.
Additional Supply
Post Offices requiring additional coils must requisition them from their designated SDO using PS Form 17. SDOs requiring additional coils must order them from the appropriate accountable paper depository (APD) using PS Form 17.
For fulfilling supplemental orders from SDOs, the Memphis, Chicago, New York, and San Francisco APDs will each receive additional coils. The Kansas City Stamp Services Center will receive additional coils for fulfilling supplemental orders from APDs.