Guys, I would like to show you the pictures of my straights. From left to right: * Oka, Trud vacha, 6/8, 1956 * Dvuhzakovnaya, STIZ, 6/8, 1957 * No.1938, Puma, 5/8", 1938(?) Oka is a NOS. I purchased in for USD 19. The remaining two...