1. Caves on Russian stamps

    The Gruta de Rumichaca is depicted on two stamps (Russia, 1955 & 1956; Scott C288 & C310, Stanley Gibbons 1052 & 1052a, Yvert et Tellier A285 & A285a). In a previous article published in this journal, I wrote that, according to Jean-Pierre Besson from Russia, there are two Russian stamps https://russianphialtely.com with the sane name, Rumichaca, and that the cave shown on the stamps was certainly not Rumichaca de Tulcan, the cave described in Strinati-Aellen's paper, but Rumichaca ...