947 | Group Lot | | Group of 10 souvenir cards, all mint, including Belgica 72, Olympia Philatelic Munchen 72, 1972 National Postal Forum VI, 1974 Internaba, Espaņa 75, Arphila 75, 1976 Bicentennial Exposition on Science and Technology, Hafnia 76, Italia 76, Nordposta 76 | $20.00 |