Birkin sign Posted on January 2, 2023 by admin Birkin sign Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Birkin sign showing the sign by itself or the logo including the brand name of the relevant organization. Birkin sign Tags: birkin sign, birkin sign brand, birkin sign logo, birkin sign logos, birkin sign sign, birkin sign symbol, birkin sign trademark