The original poster was printed on white index stock and measures approximately 14″ x 20¼″
The postcard comes in four varieties, all of which measure approximately 4½″ x 7″:
The Type A card has a “place stamp here” reverse.
The Type B card has a blank back.
The Type C card has a bulk rate permit on the back.
The Type D card has a bulk rate permit on the back, and was addressed and sent to people on the mailing list.
- Jim Blashfield