File:Tuvalu stamp- Fischer & Karpov.jpg

Summary
[https://ru.wikipedia.org/wiki/%D0%A8%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D1%8B_%D0%B2_%D1%84%D0%B8%D0%BB%D0%B0%D1%82%D0%B5%D0%BB%D0%B8%D0%B8#%D0%A8%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D0%B8%D1%81%D1%82%D1%8B-%D1%84%D0%B8%D0%BB%D0%B0%D1%82%D0%B5%D0%BB%D0%B8%D1%81%D1%82%D1%8B wikipedia Ru Шахматы в филателии] Postal stamp of Tuvalu (1986) dedicated to the World Champions Fisher and Karpov.