The original poster was printed on uncoated index stock and measures approximately 14″ x 21⅛″.
The postcard has a “place stamp here” reverse and measures approximately 4½″ x 7⅛″.
Some postcards have a blank reverse.
A double postcard was also printed. This card bears the images of both BG-115 and 116 and measures approximately 4½″ x 14¼″. It has a bulk rate permit on the back. In addition, some copies were addressed and mailed to people on the mailing list.