Antique Gulden’s Mustard Cardstock Advertising Sign baking A tube would be inserted

A tube would be inserted through the hole in the upper corner of the Conservo

Welch Manufacturing Company

Petronio Shoe Products Corp

making aviation-themed stationery and school supplies especially popular through the late 1920s and early 1930s

Antique Gulden’s Mustard Cardstock Advertising Sign baking A tube would be insertedc. 1920s; Charles Gulden, Inc. New York, NY Small format hanging advertising sign promoting Gulden's Mustard, featuring the slogan "Adds Zest and Flavor to Cheese." The sign is printed on thin board with original string hangers at the top edge, intended for suspension in grocery stores, delicatessens, or cheese counters. The imagery depicts a jar of Gulden's mustard surrounded by crackers and cut cheeses arranged in a serving basket, reinforcing its