International Hydrological Decade issue of Czechoslovakia
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Short desc: International Hydrological Decade
Issuer: Czechoslovakia Date: 4/25/1974 Occasion: International Hydrological Decade Consists of 5 stamps: (See stamps as list) 60h 1kc 1.20kc 1.60kc 2kc All are perf=11.75 Issues with this name: Canada (1968), China, ROC (1968), Cuba (1972), Czechoslovakia, Jordan (1967), Korea (1967), Nigeria (1967), Saudi Arabia (1973), Senegal (1967), Thailand (1968), Togo (1968), Turkey (1967) |
