The 1st Anniversary of G.A.C. Inaugural Flight Georgetown to Boa Vista, Brazil - Issue of 1981 Overprinted "1982 GAC Inauguration Flight Georgetown-Boa Vista, Brasil 200" 1982
Now showing: Guyana - Postage stamps - 1982 - The 1st Anniversary of G.A.C. Inaugural Flight Georgetown to Boa Vista, Brazil - Issue of 1981 Overprinted "1982 GAC Inauguration Flight Georgetown-Boa Vista, Brasil 200" - 1 stamps.
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