Have had this piggy bank since 1960's. Only marking is on the bottom where there is no plug to open, only 2 small holes, "USA" stamped into the ceramic. Looking for Have had this piggy bank since 1960's. Only marking is on the bottom where there is no plug to open, only 2 small holes, "USA" stamped into the ceramic. Looking for information on possible value and history.(Read more)
