This valuable antique collectible is an analog thermometer. The thermometer is white, and picture a smiling boy holding a glass in his hand. His hat identifies him as “Speedy.” The red text at the bottom of the thermometer reads “For Headache Upset Stomach,” followed by the blue “Alka-Seltzer” logo.

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May 17, 2013 Antique Advertising Thermometers, Drug Store Antique Advertising Collectibles