$18.00, located in Philadelphia, Pennsylvania, USA (191**), item #134781449902
New old stock with small flaws, B grade, American Olean 6" x 4" cove base tile in a discontinued gloss light blue. Apparently it was called S04 Blue Dawn in the 80s - 90s, # 21 Cornflower in the 70s, and Sky Blue in the 50s - 60s. Price is per tile.