Completed stamp booklets could be redeemed at May Company for $3 credits toward merchandise purchases at May Company stores. The trading stamp program was administered by the May Company owned Eagle Stamp Company of St. Louis from 1903 to 1987.
Completed stamp booklets could be exchanged at May Company for $3 credits toward merchandise purchases at May Company stores. The trading stamp program was managed by the May Company-owned Eagle Stamp Company of St. Louis from 1903 to 1987.