Avalon Ballroom 5/17-19/68
The original poster was printed on uncoated index stock and measures approximately 13⅞″ x 19⅞″.
The postcard comes in three varieties, all of which measure approximately 5″ x 7″:
The Type A card has a “place stamp here” reverse.
The Type B card has a bulk rate permit on the back.
The Type C card has a bulk rate permit on the back and was mechanically addressed and sent to people on the Family Dog mailing list.
- William Henry