SKB. I have two M64s, although they're in 30 WCF. (30-30) One is a Deluxe model, about 80 percent made in 1938. The other is a standard model, no checkering or sling swiels, made in 1951 that is about 98 to 99 percent.
My thoughts are the M64 is what the m94 dhould have been.
Paul B.