Vintage 1936 Lum & Abner "Walkin' Weather Prophet"

- Lum and Abner Walkin' Weather Prophet" pin, a promotional item from the 1930s radio show "Lum and Abner." - Function: The pin featured a piece of litmus paper that changed color to predict the weather. Blue indicated fair weather, pink meant rain, and purple signified cloudy skies. - Origin: It was a premium offered by Horlick's Malted Milk in 1936. - Material: The pin is made of lightweight metal. - Size: It measures approximately 1 3/8 inches tall and 1 1/4 inches wide.