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Scott 4541-4544; 4544a
Forever American Scientists

Die Cut 11 x 11 (SSP)

Price: $5.50
Add to Cart
Scott 4541-4544; 4544a
Forever American Scientists
Pane Horizontal Strip of 4 #4541-4544 (4 designs)
Price: $11.00
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Scott 4544a
Forever American Scientists
Plate Block of 8 #4541-4544 (4 designs)
Price: $27.00
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Scott 4544a
Forever American Scientists
Pane of 20

Reference Images

  • Scott 4541-4544; 4544a
    Forever American Scientists
    Pane Horizontal Strip of 4 #4541-4544 (4 designs)
    (reference or stock image)
  • Scott 4541
    Forever Melvin Calvin
    (1911-1997)
    [Melvin Calvin]
    Pane Single
    (reference or stock image)
  • Scott 4542
    Forever Asa Gray
    (1810-1888)
    Pane Single
    (reference or stock image)
  • Scott 4543
    Forever Maria Goeppert Mayer
    (1906-1972)
    Pane Single
    (reference or stock image)
  • Scott 4544
    Forever Severo Ochoa
    (1905-1993)
    [Severo Ochoa de Albornoz]
    Pane Single
    (reference or stock image)

Technical Notes

Issue:American Scientists
Stamp Announcement 11-29: American Scientists
Postal Bulletin 22311 — 2011 May 19
Item Number:467300
Denomination:Forever
Type of Issue:Commemorative
Format:Pane of 20 (4 designs)
Series:N/A
Issue Date:2011 June 16
Issue City:St. Paul MN 55164
Designer:Greg Berger Bethesda MD
Art Director:Ethel Kessler Bethesda MD
Typographer:Greg Berger Bethesda MD
Photo Illustrator:Greg Berger Bethesda MD
Modeler:Donald Woo
Manufacturing Process:Offset
Microprint:“USPS”
Engraver:N/A
Printer:Banknote Corporation of America Inc. for SSP
Printed at:Browns Summit NC
Press Type:Alprinta 74
Stamps per Pane:20
Print Quantity:30 million stamps
Paper Type:Phosphor Tagged Overall
Adhesive Type:Pressure-sensitive
Processed at:Unique Binders Fredericksburg VA
Colors:Cyan; Magenta; Yellow; Black; Blue; Green; Purple & Dark-blue
Stamp Orientation:Horizontal
Die Cut:11 x 11 (SSP)
Image Area (w x h):1.40 x .82 in
35.56 x 20.83 mm
Overall Size (w x h):1.56 x .98 in
39.62 x 24.89 mm
Full Pane Size (w x h):7.22 x 5.90 in
183.39 x 149.76 mm
Plate Size:240 stamps per revolution
Plate Numbers:“S” followed by eight (8) single digits
Marginal Markings:..
— Front:Header: “AMERICAN SCIENTISTS” Plate block numbers in two corners
“AMERICAN SCIENTISTS” Plate block numbers in two corners
— Back:© 2010 USPS
• USPS logo
• Plate position diagram
• Barcode (467300) in lower left and upper right of pane
• Verso text on back of each pane
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