This vintage Teamsters Local 771 pinback button commemorates an event or meeting in April 1978 in Lancaster, Pennsylvania. The button prominently features the iconic Teamsters logo with the interlocking hands and wheel, signifying the International Brotherhood of Teamsters. The clear dating makes this a specific collectible for union history enthusiasts.

The button is round with a vibrant yellow background and bold black lettering and graphics, characteristic of celluloid over tin construction, providing a glossy finish. The reverse features a classic safety pin attachment, securely crimped to the metal backing. This piece is a tangible artifact of American labor history, representing a specific local's activity in the late 1970s.

Collectors of union memorabilia, labor history, and vintage pinbacks will appreciate this unique item from the Teamsters Local 771. Its clear year, local number, and location make it a significant addition to any collection of historical pins, union ephemera, or Lancaster, PA collectibles.