15¢ Tugboat (BEP)
Water-Activated Coils of 500 and 3000
Scott# 2260 Plate # 1, 2 (Block Tagging)
Scott# 2260a Plate # 2 (Overall Tagging - 1990)
Scott# 2260b Plate # 2 (Tagging Omitted)
Scott# 2260c Plate # 2 (Imperf)
Series Transportation
Issue Date & City July 12, 1988, Long Beach, California
Nationwide Sale July 13, 1988
Designer Richard Schlecht, Arlington, Virginia
Art Director Jack Williams (USPS)
Typographer Bradbury Thompson (CSAC)
Modeler Clarence Holbert (BEP)
Engravers Gary Chaconas, vignette, Dennis Brown, lettering (Both BEP)
To Press / Initial Quantity May 1988 /  329,000,000
Coil Size 500, 3000
Printer Bureau of Engraving and Printing, Washington, DC
Press B Press (701)
Process Intaglio
Where Printed Bureau of Engraving and Printing, Washington, DC
Where Processed Bureau of Engraving and Printing, Washington, DC
Plate Size & Interval 936 (18 x 52) stamps per revolution / plate # every 52 stamps
Paper & Gum Water-Activated Type III
Tagging Type Block, Overall and Untagged
Tagging Overall tagged stamps have a stationary tagging break every 26 stamps, and a moving break that changes a little over 1mm with each revolution of the printing cylinder.
Perf Gauge 9.75 Vertically
Color (PMS) Purple (PMS 267)
Overall Size apx. 0.87 x 0.96 in. / 22.1 x 24.4 mm
Earliest Known Use July 12, 1988

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