Hard one to date. This was the second style case badge. I’m thinking after April 1922 along with the change of bell engraving. Still working on this.
I have not seen any badge with “Chicago” like this.
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From 1917 to 1919 I haven’t seen any badge or inside foil emblem. Late 1919- early 1920 has this style with “Elkhorn”. This style below continues until ??
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1920 Advertising showing “Elkhorn” below.
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The inside foil emblem below appears around 1922 and continues to at least 1930. Note the two locations and slight change in artwork. Green is 1922, purple is 1928 examples.
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Two “Elk” examples below have no background brown color like yours.
This from 1928.
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This from 1925
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