I also enjoy Japanese cards from the PCL Seals' tour in 1949 and the American tour led by Lefty O'Doul in 1951.
1951 Tour PC
1949 Tour bromide of Wakabayashi (HOF), Betto (HOF) and O'Doul
1951 bromide DiMaggio and O'Doul (sorry for the shitty scan)
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Arky Vaughn: he didn't actually make the trip but some of the bromides sets included him: