T tomchi New member Aug 19, 2021 #1 amoe sweepstakes specifies '3"x5" postcard' (self-mailed). Can't be done. USPS specifies 3-1/2" x 5" minimum.
amoe sweepstakes specifies '3"x5" postcard' (self-mailed). Can't be done. USPS specifies 3-1/2" x 5" minimum.
