The 100th Anniversary of the Alternating Current 1991
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1991
The 100th Anniversary of the Alternating Current
8. augusti WM: Inga Design: Paul Effert Gravyr: Stampatore: Bundesdruckerei Perforering: 14
![[The 100th Anniversary of the Alternating Current, Typ AYC]](https://www.stampworld.com/media/catalogue/Germany/Postage-stamps/AYC-s.jpg)
