Vintage Fostoria American Clear lidded mustard jar. This is Fostoria American Clear pattern #2056 which began in production in 1915 by the glass company and was discontinued in 1982. This elegant and unique lidded mustard jar features a fitted lid and spoon. This decorative mustard jar is in excellent condition with no chips, cracks or other imperfections and the jar measures 4” high and 2 ⅜” wide.