hi, these where found in one area. most have a white residue in them. one is mark ok baking powder. some are very crude. any information appreciated. thanks rhona
I have also found some of those here in indiana,they are very hard to clean,but I managed to get them clean and shiny.I dont have any info. yet, but I am trying.Mine are unmarked also.I,m glad to know thats baking powder in them.If I find anything out I will let you know.