Issuer: Bulgaria
Date: 1/17/1990 (1990 sheets)

INCOMPLETE

Block 1 (6, 2 x 3)
1, 1: 5s d=Christopher Columbus & Santa Maria
1, 2: 8s d=Vasco da Gama & São Gabriel
2, 1: 13s d=Ferdinand Magellan & Trinidad
2, 2: 32s d=Francis Drake & Golden Hind (1990)
3, 1: 42s d=Henry Hudson & Halve Maen Half Moon
3, 2: 60s d=James Cook & Endeavour (1990)



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