USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #2
USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #2 americana USA-first-day-cover dinosaurs prehistoric elephants birds-of-prey 128150
USA 1970 FDC natural history dinosaurs prehistoric elephants new york postmark #2 americana USA-first-day-cover dinosaurs prehistoric elephants birds-of-prey 128150