USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #1
USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #1 americana USA-first-day-cover dinosaurs prehistoric elephants birds-of-prey 128146
USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #1 americana USA-first-day-cover dinosaurs prehistoric elephants birds-of-prey 128146