4 Vintage Anchor Hocking Royal Ruby 8 Ounce Water Tumblers Windsor Cube Pattern

Lot of four vintage tumblers, Royal Ruby, transparent red glassware, Windsor pattern by Anchor Hocking. Cubist base design, sort of a stepped cube pattern, one of the photos shows the tumblers upside down to better view the base pattern. Set of four 8 ounce water tumblers, about 3 7/8 inches tall, 3 1/8 inches in diameter at rim. Ounces are measured full to the rim. Vintage items in good condition, no chips, no cracks, light use.