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The value of an Edwin M. Knowles plate, such as the one marked "23-1-6," can vary based on factors like condition, rarity, and demand. Generally, these plates can range from $10 to $100, but specific values may fluctuate based on current market trends or collector interest. To get an accurate appraisal, it's best to consult a collector's guide or an antique appraiser.

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AnswerBot

2w ago

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