West Germany - Day of the Postage Stamp (1975) MNH

€ 0¹⁰ 
0²⁰ BGN

1

ended

secko (150)

Canada - Endangered Animals (1978) MNH

€ 0²⁵ 
0⁴⁹ BGN

1

ended

secko (150)

Bulgaria - Bats (1989) MNH

€ 0⁹⁹ 
1⁹⁴ BGN

2

ended

secko (150)

Bulgaria - Eleni (1987) MNH

€ 0⁷⁷ 
1⁵¹ BGN

1

ended

secko (150)

FRG/GDR - Nature Protection (1969) MNH

€ 0⁵⁰ 
0⁹⁸ BGN

1

ended

secko (150)

Germany - Insects - Dragonflies (1991) MNH

€ 1²³ 
2⁴¹ BGN

1

ended

secko (150)

Bulgaria - Animals (1963) MNH

€ 1⁰² 
1⁹⁹ BGN

1

ended

secko (150)

Bulgaria - 80 Years Sofia Zoo (1968) MNH

€ 1⁰² 
1⁹⁹ BGN

1

ended

secko (150)

Poland - Local Game Animals (1975) MNH

€ 1⁶⁵ 
3²³ BGN

1

ended

secko (150)

GDR - Leipzig Fur Auction (1982) MNH

€ 0⁶⁹ 
1³⁵ BGN

1

ended

secko (150)

Namibia - Big Wild Cats (1998) MNH

€ 0⁹⁰ 
1⁷⁶ BGN

1

ended

secko (150)

Bulgaria - Orchids (1986) MNH

€ 0⁵¹ 
1⁰⁰ BGN

1

ended

secko (150)

UN New York - Endangered Species - 30 Years Convention (2003) MNH

€ 0⁷⁷ 
1⁵¹ BGN

1

ended

secko (150)

Bulgaria - Woodpeckers (1978) MNH

€ 0⁷⁷ 
1⁵¹ BGN

1

ended

secko (150)

Poland - Prehistoric Animals (1965) MNH

€ 2²² 
4³⁴ BGN

1

ended

secko (150)

Poland - Prehistoric Animals (1966) MNH

€ 2²² 
4³⁴ BGN

1

ended

secko (150)

Poland - Dogs (1969) MNH

€ 1⁵³ 
2⁹⁹ BGN

1

ended

secko (150)

Poland - Local Game Animals (1973) MNH

€ 1⁹² 
3⁷⁶ BGN

1

ended

secko (150)

Bulgaria - Views (1977) MNH

€ 0⁸² 
1⁶⁰ BGN

1

ended

secko (150)

Bhutan - Fight against hunger (1963) MNH

€ 0⁶⁶ 
1²⁹ BGN

1

ended

secko (150)

Yugoslavia - Local Birds (1972) MNH

€ 1⁰⁷ 
2⁰⁹ BGN

1

ended

secko (150)

Poland - 28th World Fencing Championships in...(1963) MNH

€ 0⁷⁵ 
1⁴⁷ BGN

1

ended

secko (150)

Hungary - Equestrian Sport (1961) MNH

€ 1⁶⁹ 
3³¹ BGN

1

ended

secko (150)

Ethiopia - International Year of the Child (1979) MNH

€ 0⁹⁵ 
1⁸⁶ BGN

1

ended

secko (150)

Suriname - Opening of the Central Hospital... (1966) MNH

€ 0¹³ 
0²⁵ BGN

1

ended

secko (150)

USA - Merchant Marine (1946) MNH

€ 0⁰⁸ 
0¹⁶ BGN

1

ended

secko (150)

Albania - Paintings by Albanian artists (1968) MNH

€ 1⁶⁶ 
3²⁵ BGN

1

ended

secko (150)

West Germany - Endangered Animals (1968) MNH

€ 1⁰⁰ 
1⁹⁶ BGN

1

ended

secko (150)

Namibia - Butterflies (1993) MNH

€ 3¹⁰ 
6⁰⁶ BGN

1

ended

secko (150)

Ethiopia - 100 years of International Meteorological ...(1973) MNH

€ 0⁹² 
1⁸⁰ BGN

1

ended

secko (150)

San Marino - First Day Cover - Gothic Cathedrals (1976)

€ 0³⁰ 
0⁵⁹ BGN

1

ended

secko (150)

Norway - First Day Cover - French Art (1970)

€ 0⁸⁵ 
1⁶⁶ BGN

1

ended

secko (150)

USA - First Day Cover - Pioneers in Aviation - ...(1991)

€ 0⁵⁰ 
0⁹⁸ BGN

1

ended

secko (150)

Australia - First Day Cover - Aviation Pioneers ...(1983)

€ 0⁶⁰ 
1¹⁷ BGN

1

ended

secko (150)

South Africa - First Day Cover - 100th Anniversary of ...(1976)

€ 0⁶⁰ 
1¹⁷ BGN

1

ended

secko (150)

South West Africa - First Day Cover - Historical...(1978)

€ 0⁶⁰ 
1¹⁷ BGN

1

ended

secko (150)

Poland - Protected Animals with Valuable Fur (1984) MNH

€ 1¹⁵ 
2²⁵ BGN

1

ended

secko (150)

Poland - First Day Cover Set - Garden Flowers (1964)

€ 1²⁰ 
2³⁵ BGN

1

ended

secko (150)

Bulgaria - Songbirds (1965) MNH

€ 1³⁰ 
2⁵⁴ BGN

1

ended

secko (150)

Bulgaria - Pelicans (1984) MNH

€ 1⁵⁵ 
3⁰³ BGN

1

ended

secko (150)

Bulgaria - Third Ministerial Conference "Environment..." (1995) MNH

€ 1⁰⁰ 
1⁹⁶ BGN

1

ended

secko (150)

Ethiopia - Pisces (1985) MNH

€ 1⁴³ 
2⁸⁰ BGN

1

ended

secko (150)

Chad - Woodcarving (1969) MNH

€ 0⁴¹ 
0⁸⁰ BGN

1

ended

secko (150)

Ethiopia - Trees (1986) MNH

€ 1⁰² 
1⁹⁹ BGN

1

ended

secko (150)

Ethiopia - Architecture - Ethiopian Houses (1984) MNH

€ 0⁷⁷ 
1⁵¹ BGN

1

ended

secko (150)

Ethiopia - 12 years of revolution (1986) MNH

€ 0⁶⁶ 
1²⁹ BGN

1

ended

secko (150)

Niger - 2 years since the military coup (1976) MNH

€ 0²³ 
0⁴⁵ BGN

1

ended

secko (150)

Poland - Nature Protection - European Bison (1981) MNH

€ 1²⁸ 
2⁵⁰ BGN

1

ended

secko (150)

Ethiopia - Traditional Games (1984) MNH

€ 0⁷² 
1⁴¹ BGN

1

ended

secko (150)

Bulgaria - XV Winter Olympic Games Calgary '88... (1987) MNH

€ 0²⁶ 
0⁵¹ BGN

1

ended

secko (150)

Bulgaria - Wildlife (1958) MNH

€ 1²⁸ 
2⁵⁰ BGN

1

ended

secko (150)

Austria - 50 g. from the death of August Musger (1979) MNH

€ 0¹³ 
0²⁵ BGN

1

ended

secko (150)

Bulgaria - Paintings from the Sofia City Gallery ... (1987) MNH

€ 0⁴¹ 
0⁸⁰ BGN

1

ended

secko (150)

Bulgaria - World Philatelic Exhibition ... (1989) MNH

€ 0⁴¹ 
0⁸⁰ BGN

1

ended

secko (150)

Surinam - 30 years since Amelia Earhart's visit..(1967) MNH

€ 0¹³ 
0²⁵ BGN

1

ended

secko (150)

Canada - 200g from Cook's Third Voyage (1978) MNH

€ 0¹⁵ 
0²⁹ BGN

1

ended

secko (150)

Namibia - Freshwater Fishing (1992) MNH

€ 0⁷⁵ 
1⁴⁷ BGN

1

ended

secko (150)

Bulgaria - Europe - 50 Years Since the End of WWII (1995) MNH

€ 0³¹ 
0⁶¹ BGN

1

ended

secko (150)

Argentina - Argentine Antarctica - 100th anniversary of ...(2003) MNH

€ 0⁴⁰ 
0⁷⁸ BGN

1

ended

secko (150)

Argentina - Argentine Antarctica (2005) MNH

€ 0⁷⁵ 
1⁴⁷ BGN

1

ended

secko (150)