Help Needed With Marker Mark logo ?? Period Of this Hunting Knife ?

[Brent Smith]

Help Needed With Marker Mark logo ?? Period Of this Hunting Knife ? I was thinking early 1900's vintage Very Large Knife

[Brent Smith]

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[AndyB]

Quality hunting knife mostly from period between wars from Czechoslovakia. J.Pilz was mark was in half circle as Pilz means in german mushroom, boletus.b.r.Andy

[Brent Smith]

Thank you

Thank you Brent

[ivbaust]

Copy of period advertisement