2 pcs American Olean Crystalline Aqua Blue #335 Tile 4-1/4″ SD-4 Scored 3rds USA
Slight textured eggshell type finish. This was made in Lansdale, Pa. 1950s until 1960s. Manufacturer’s catalog number 335, Square Ceramic Tile 4-1/4″. SYMBOL SD-4. SCORED into 3rds. Tile can also be snapped at score lines into smaller pieces.