Vintage Butterfly-Shaped Celluloid Eyeglass Advertisement - Spencer Optical, 1920s #1281076 (License: Personal Use)

This vintage promotional item from Spencer Optical Manufacturing Co., NY, is a die-cut celluloid butterfly advertising “Celluloid Eye Glasses,” touting them as “much stronger, lighter & handsomer than any others.” The wings display intricate Art Deco-inspired patterns with concentric eye motifs and vivid reds, greens, yellows, and blues, while the body bears the manufacturer’s imprint and slogan referencing “the cleverest Tortoise Shell and invisible Mother.”

Used historically as a novelty trade card or counter display in optical shops during the 1920s; today it serves as collectible ephemera for antique advertising, graphic design history, or vintage optics enthusiasts seeking authentic early 20th-century marketing artifacts.