This Washington DC brass letter opener is a fantastic addition to any collection. The registered patent attorney Clarence O'Brien put his name on this vintage item, making it a unique find. The brass material gives it a classic and sophisticated look, while the handmade details add to its charm. The letter opener is a great desktop item that can be used daily or displayed for its beauty. Made in the United States, this antique letter opener is a perfect gift for any pen and writing instrument collector.