1937 Gold Proof set, housed in Royal mint case of issue 1937 Gold Proof set, featuring £5, £2, sovereign and half sovereign, housed in Royal mint case of issue. A rare and attractive set, a/fdc. Date: 1937 Price: £14,250. ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Subject Your Message Human test: Which is bigger, 2 or 8? Posted in Milled Gold.