1909-13 M101-2 Sporting News Supplements, without a doubt. They're beautiful photographic larger than life images, and incredibly scarce. Value-wise, a PSA 1 Joe Jackson auctioned on 11/17/22 for $9.9K. HA just sold a PSA 1.5 on 5/11/23 for $16.2K. Additionally Honus Wagner's issue is getting it's due.
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