1st block letters impressed 1928 - early 30s
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1930s - mid 40s gold and blue
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mid to late 30s 1/8 inch high
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2nd sticker early 30s to end of production
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2nd sticker w/number
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number & USA mid 30s till end of production
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ink stamp early 30s
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2nd sticker early 30s to end of production
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mold mark mid 30s to end of production with or without Camark
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1st block letters impressed 1928 - early 30s
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1st sticker with numbers impressed 1928 - early 30s
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2nd sticker with patent sticker
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2nd sticker early 30s to end of production
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2nd sticker early 30s to end of production with or without number & USA
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mid to late 30s 1/8 inch high impressed
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mold mark mid 30s to end of production with or without Camark
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X mark used on some Camark
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Number only mid 30s to end of production
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X mark used on some Camark
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1928 thru early 30s impressed 3/16 inchs high
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USa, number and Camark name mid 30s to end of production
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Black/Gold mid 1927 throughout 1928
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1928 thru early 30s impressed 3/16 inchs high
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