San Francisco: BIG, [1987?]. Three 8.5x11 inch sheets stapled upper-left corner, first sheet a cover letter with BIG at top followed by the mailing address and an explanation of the correspondence network and publications. Second sheetprinted both sides with an application form. Third sheet printed one-side-only with samples of personal ads and photos. Some toning to paper, a couple of very small stains at edge of first sheet otherwise good.
BIG was a mail-only correspondence network between gay men interested in anything BIG and included several publications including "Dimensions" It started in 1987. This application is likely 1987-1989.