Marbles 8 inch knife. $325
Marbles knife by Young
Marbles Special Rear Sight Box
This is the box only
1950s Marbles Expert Hunting Knife
Marbles woodcraft knife
This is a vintage marbles knife from the late 20s to early 30s
Marbles Stag 7in blade MSA ideal knife with sheath
The 
Very nice 1910- 1915 MSA ideal with india stag and sheath. The scales are very nice. Estimated value $ 750
1921-22 Marbles Stag Ideal 8in Knife with aluminum pommel with sheath
Full hilt stag with large nut aluminum pommel was available from 1921- 1922, the shortest production run of any ideal variations. The sheaths for the 8 in blade knives are even harder to find than the knives. estimated value $650