Region
Aegean Sea Region
1
Africa
4
Africa, North
1
Aix-en-Provence (France)
1
Allemagne
1
America
3
Andaman and Nicobar Islands
2
Andaman and Nicobar Islands (India)
2
Andover
1
Arab countries
1
Argentina
1
Arlington
1
Asia
3
Auckland
1
Australia
9
Austria
1
Baghdad
2
Baghdad (Iraq)
2
Baltic States
1
Baltimore
2
Belgium
2
Belgrade
1
Belgrade (Serbia)
1
Benin (Kingdom)
2
Berlin
5
Berlin (Allemagne)
1
Berlin (Germany)
1
Bloomington
1
Boston
7
Brauweiler (Pulheim)
1
Brauweiler <Pulheim, 1998>
1
Brazil
1
Bremen
1
Bremen <2005>
1
British Columbia
2
Bucharest (Romania)
1
Burma
1
Cairo
2
Cairo (Egypt)
1
California
4
Canada
15
Canada, Western
1
Cape Town
1
Cape of Good Hope
1
Caribbean Area
3
Chicago
3
China
4
Collectors and collecting
2
Colombia
2
Connecticut
2
more ...