10k Arms imperforate, plate II, mint (hinge remainder) with large part gum. There is possibly a tiny ink trace visible under UV-light, at right bottom margin just touching the frame line. One of the nicest of the so-called « mint original gum » examples in existence, copy of cert. Ferchenbauer included saying « …no ink trace visible… » Exhibition item and very rare. According to the most prominent expert on Russia it`s likely that there are no really mint original gum examples of the number 1 of Russia existing; other sources assume that 2 mint original gum examples still exist.