The Coin Cabinet, London, United Kingdom. likes · 5 talking about this · 36 were here. The Coin Cabinet is a leading auction house specialising in. Wooden Coin Tray Cabinet Coin/ Medal Storage Box Trays Collection Holder • · Coin Collectors Cabinet • 45£. Why Mahogany coin cabinets? For the long-term storage and display of coins and medallions mahogany is the historically proven natural material without equal.