Up to 1915 the Ithaca No. 1 1/2 was a Damascus barrel gun with a basic frame, later years with a bit of zig-zag border engraving.

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During 1915, Ithaca introduced the bold McGraw engraving across their line and dressed up the No. 1 1/2 with the bold floral engraving --

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and added the option of Krupp barrels. Over the next five years virtually every Ithaca catalog showed changes to these entry-level Ithacas, as they phased out Damascus and Twist barrels. The No. 1 Special that had been made with Cockerill Steel barrels was dropped. The zig-zag border engraving began appearing on the No. 1 and the Twist barrels that had been a feature of the No. 1 were replaced with Nitro Steel barrels --

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Finally, by late 1919 the No. 1 and No. 1 1/2 were combined as the New No. 1 --

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