PANAMA 1964 CATHEDRALS Sc C310 WITH “1964” YELLOW GOLD OVPT, UNRECORDED MNH VF
1964. Airpost Cathedral overprinted issue. Scott, Yvert, Michel & Sanabria unlisted. Scott C310 overprinted “1965” in yellow gold. Corner marginal single. Mint never hinged. VERY FINE. Type 50 of 50 printed. Sanabria guarantee backstamp. Church of Guadalupe, Mexico. Most scarce.