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Porträt von Lillian Moller Gilbreth (1878–1972), Ingenieurin und Managerin, 40 C

USA-1623
Ausgabe: 1980                                                                                          

Chester W. Nimitz, 1885–1966. Admiral 50 C

USA-1624
Ausgabe: 1980                                                                                          

Philip Mazzei 40 C

USA-89.A
Ausgabe: 1980                                                                                                      

Pheucticus ludovicianus 2 x 25 C + Pheucticus ludovicianus 25 C + Greetings USA 25 C

USA-2135 + 2136+2428
Ausgabe: 1980                                                                                          

Pheucticus ludovicianus 2 x 25 C + Pheucticus ludovicianus 2 x 25 C + Greetings USA 25 C

USA-2135 + 2136
Ausgabe: 1980                                                                                          

Philip Mazzei 40 C

USA-2839
Ausgabe: 1980