Although printed with blank backs, the Crowley's Milk set of the 1940 Binghamton, New York "Triplets" (an Eastern League franchise) was sometimes distributed to Crowley customers as a postcard, as shown in scans. The Crowley's set will be featured in a mini-article in this month's issue of the
Old Cardboard eNewsletter (to be distributed later this week). --Lyman