Advertising letter opener measures approximately 8.5" in length. Likely dating to the 1920s–1930s, it served as a promotional desk accessory for Clarence A. O'Brien's Patent law practice which also included copyrights and trademarks.

Please note that the blade has some slight bending, as shown in the photos. Otherwise, it presents in good vintage condition with age-related wear. Retains its original aged patina and has been left unpolished to preserve its authentic antique character. Please review and enlarge all photos for complete condition details.

Shipping: We take great care in packaging all items to ensure safe arrival. Your vintage treasure will ship within one business day of cleared payment.

About Us: History Traders specializes in authentic vintage and antique finds — preserving pieces of the past for collectors and history lovers today. Thank you for supporting small business!