The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - Issue of 1980 Overprinted "Dr. R. KOCH CENTENARY TBC BACILLUS DISCOVERY" 1982
Teraz pokazywane: Gujana - Znaczki pocztowe - 1982 - The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - Issue of 1980 Overprinted "Dr. R. KOCH CENTENARY TBC BACILLUS DISCOVERY" - 1 znaczki.
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