18¢ Flag "from sea to shining sea" (BEP)
Water-Activated Coils of 100, 500 and 3000
Scott# 1891 Plate # 1, 2, 3, 4, 5, 6, 7
Scott# 1891a Plate # 2, 3, 4, 5 (Imperf)
Scott# 1891b Pair, Imperf Between
Scott# 1891c Plate # 2  Tagging Omitted (Error)
Purple Machine Cancel Plate # 1, 2, 3, 4, 5, 6, 7
Series American Flag
Issue Date & City April 24, 1981, Portland, Maine
Nationwide Sale April 25, 1981
Designer Peter Cocci (BEP)
Art Director Leonard E. Buckley
Typographer Bradbury Thompson (CSAC)
Engravers Vignette - Thomas R. Hipschen, Lettering - Ken C. Wiram, Denomination - Robert G. Culin, Sr.
Modeler Peter Cocci (BEP)
To Press / Quantity Probably Spring of 1981 / apx. 9 Billion
Coil Size 100, 500, 3000
Printer Bureau Of Engraving and Printing (BEP), Washington, DC
Press B, 701
Process Intaglio
Where Printed BEP, Washington, DC
Where Processed BEP, Washington, DC
Plate Size & Interval 936 (18 x 52) stamps per revolution / plate # every 52 stamps
Paper & Gum Water-Activated
Tagging Block, Untagged (Error)
Perf Gauge 9.8 Vertically
Colors Red, Blue, Brown
Overall Size apx 0.87 x 0.96 in. / 22.1 x 24.4 mm
Earliest Known Use April 24, 1981
Varieties Imperforate (Vertical pairs and blocks also exist from printers waste)

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UPDATED - 17 JANUARY 2006