Comoro Islands 1981 Princess Diana's 21st Birthday 300f imperf proof mounted on Format International proof card, as SG 483
Comoro Islands 1981 Princess Diana's 21st Birthday 300f imperf proof mounted on Format International proof card, as SG 483
Comoro Islands 1981 Princess Diana's 21st Birthday 300f imperf proof mounted on Format International proof card, as SG 483