I went back to the video and paused it at the identifying frames. Thanks!
I’m interested in military surplus. I have just noticed that brand new Yugoslavian M57 Tokarev style pistols in 7.62x25 are now being imported from the Zastava factory. New, so not C&R. Good source and good price here. . .
http://www.wideners.com/itemdetail.cfm?item_id=100001108&dir=700%7C1012%7C1026
Same item with a better picture that can be enlarged is here. . .
http://www.cheaperthandirt.com/product/7-GHG3087N