1.5" with concave tin back and fixed horizontal bar pin. No maker. Pictured, each at candlestick telephone, are Santa and a young child with Santa saying "Hello, Little One! I Am At The Golden Rule." This button originated in St. Paul, Minnesota. Button is c. 1912. In reflected light there are a few tiny vertical hairline scratches at the top center but they are very subtle and show very little. With normal viewing button still displays glossy and Mint. A rarity.