Where to begin...? I have tried to find a Krause number, without success. I assume the mint date is 1955, which commemorates a 10 year anniversary (or duration) of armed struggle, or resistance (to Soviet post-war presence?). What might the 9.V. signify? And what unit of currency does the 50 refer to? Is the Fighter a real person, or a symbolic figure? At the right toe of the fighter is: A. SOPR (engraver? artist?); the edge is finely reeded. Very near that toe is a lone flowering plant. What, if anything, does it mean? Looks like a silver alloy; Diameter is ~36.6mm; weight ~20 grams. The coin is in MSxx condition...but I'd like to know more before considering certification. Thanks, all! wlw
Numista.com is your friend for looking up unknown coins - https://en.numista.com/catalogue/pieces20207.html