There were several different Buick patches used at the GM Buick car dealerships.
From the Service dept. to the Parts dept., the patches adorned to the mechanics uniforms varied widely over time, both in style and design. Also depending on whether or not the specific dealership had other brand divisions associated within the dealership, such as Pontiac, Cadillac, Chevrolet, Opel, GMC, etc., designs were incorporated to represent each of them.
Here’s a dozen to give you an idea of what was used in the past.
Here’s some other items if you’re shopping for Buick merch:
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