WW2 US 1941 Twice Censored Cover + 3 Different “Return to Sender” Postmarks to London England and back to US
- Cover mailed out: New York machine cancel dated May29, 1941. Cover returned: New York machine cancel dated Aug22, 1941 on back of cover, almost 3months later. Interesting. Twice censored. 3 different Return to Sender postmarks!