Guinea - Conakry 1998 Events of the 20th Century 1900-1909 Albert Einstein perf souvenir sheet unmounted mint. Note this item is privately produced and is offered purely on its thematic appeal
Guinea - Conakry 1998 Events of the 20th Century 1900-1909 Albert Einstein perf souvenir sheet unmounted mint. Note this item is privately produced and is offered purely on its thematic appeal