Lot 10454 – PORTUGAL: 1928 (May 24) THIRD DAY: Commerical envelope with the obligatory 1928 Olympic 15c

PORTUGAL: 1928 (May 24) THIRD DAY: Commerical envelope sent registered from Porto to England franked with $1.60 and 80cc paying correct rate in combination with the obligatory 1928 Olympic 15c, London arrival bs, very fine and rare abnormal usage to a foreign destination

Note: These 15c stamp was obligatory for 3 days from May 22-24 in 1928 for mail sent within Portugal