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Glen VSounds like you have some 1920's strip cards. The SCD's Standard Catalog of Baseball cards should help you find exactly what you have. Look at the listings for W5xx. The Little Wonder cards are 1923 W515-1, assuming the seller from the following link is correct:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=31719&item=4127654685&rd=1