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Todd Schultzif you use the search function. Smead Jolley is the focal point--he didn't make the big leagues until 1930, and he's in the set. Other team affiliations and player selections appear unlikely for just 1928, although they are not definitive like Jolley (Chuck Klein, for example--rookie year 1928, only 60 something games).
As to whether they were issued only in one year and later than what it says in the SCD book or re-issued over several years is unclear, although it seems strange that so many variations of the same player would exist if they were issued only in one year.