Gorgeous and rare 1968 50 Shillings, Superb Gem Cameo Proof, 3rd Proof Die, Mirror Fields Between Pillars Plus Mirror Field below Right & Left. Unlisted and Extremely Rare for this Variety, possible Unique. Have a look at the Normal proof strike with frost between Pillars, the Other with mirror between pillars and this unlisted with Mirror fields between Pillars, Plus Mirrors fields below Left and Right Building Wing Columns, Getting hard to find, especially these early dates. See images of all 3 types and common reverse. A nice addition to your collection.