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			Bill - I collect these and enjoy them a lot.   Dan (1880) is certainly an expert on these types of series.   You  have the larger S21 series -  5x8", and there is a smaller S22 series - 3.5 x 5.5".   The larger series commands more, and golf, hockey, baseball and football go for more money.  Depending on school and sport an s21 silk can be $150+.  Search "Murad Silk" on ebay and you will see many listings.  I've seen some go for over $200.  Cornell Hockey S21, for example, commands a pretty high price.   I would put your group above closer to $300+ figure.
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