2 pcs American Olean Crystalline Yellow #309 Tile 4-1/4″ SD-1 Scored 9ths
Slight textured eggshell type finish. This was made in Lansdale, Pa. 1950s until 1970s. Manufacturer’s catalog number 309, Square Ceramic Tile 4-1/4″. SYMBOL SD-1. SCORED into 9ths. Tile can also be snapped at score lines into smaller pieces.