Celebrate a milestone birthday with this humorous vintage pinback button from Shoebox Greetings, a division of Hallmark. The button features a bold design with the witty slogan \"I\'M 21. Yet surprisingly, I\'M NOT ACTING that grown-up.\" This collectible piece captures the spirit of turning 21 with a playful, relatable message.The button showcases a vibrant color palette, including black text on a white background, accented by lines in yellow, teal, and magenta, characteristic of late 1980s to early 1990s aesthetics. The design is further enhanced by stylish black and white halftone dot patterns on either side. Constructed with a celluloid over tin face, it features a classic safety pin back, suitable for display or wear. Measuring approximately 2.25 inches in diameter and round in shape, it was manufactured for Hallmark Cards, Inc. in the U.S.A., as indicated on its original packaging. This unique pinback is perfect for collectors of novelty pins, birthday memorabilia, or anyone seeking a fun, nostalgic accessory from the era of Shoebox Greetings.
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