Well deduced. Now you understand the fun I had matching the images for the Flickr gallery below. All of these came from the same archive as the photos we're discussing in this thread. In the case of the obscure players it isn't uncommon for the Paul Thompson portrait ID's to be misspelled on the reverse or misidentified altogether
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Also keep in mind that some portraits to appear in the Spalding guide but NOT in the T205 set DID appear on 1911 T332 Helmar stamps:
