German Eff Eff 6"x3" cream red gray ceramic 500ml stein

This stein is heavy, weighing in at 1 lb 12 oz. it has a marking on it near the top of the handle that looks like D5L/KO. One side says “tradition aus Albstadt eff eff”. The other side says “Made in Germany” and has 4 pen drawings. Condition is pre owned , but has no chips, cracks or crazing. It comes from a smoke free home. Thanks for visiting!