Ed Lindberg apparently used metal tokens, Good For 5c In Trade.

http://tokencatalog.com/token_record_forms.php?action=DisplayTokenRecord&td_id=243220&inventory_id=193504&attribution_id=247799&td_create_uid=313

One was for sale HERE, as recently as February 14, 2015 (look under Good For Tokens)

http://www.paradisecoin.com/tokens.html

Some time earlier, in 1927, J. Lindberg (Ed's father?) owned the cigar store at 535 Main Street when it was LOOTED BY BURGLARS. Read your Woodland Daily Democrat!

http://www.newspapers.com/newspage/52304068/

Calling all cars: Be on the lookout for some fellow smelling of cigar smoke with lots of five-cent tokens jangling in his pockets. That is all.