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barrysloatePlenty of 19th century sets, such as Kalamazoo Bats, Four Base Hits (nobody even knows what constitutes it), Yum Yum, G&B, S.F. Hess (regular and California League both) and I am sure there are plenty of others. In fact, every set I mentioned can conceivably have a new find added to the checklist which makes completion even impossible to ascertain.