Bidspirit auction | 2006 Guernsey 80th Birthday of

2006 Guernsey 80th Birthday of Queen Elizabeth II Silver Proof Five Pounds Coin - Commemorative Five Pounds coin issued by the Bailiwick of Guernsey in 2006 to mark the 80th birthday of Queen Elizabeth II. This numismatic item is a silver proof strike with selective gold plating. The obverse features the fourth definitive portrait of the Queen by Ian Rank-Broadley, with initials IRB visible below the neck, surrounded by the legend ELIZABETH II BAILIWICK OF GUERNSEY 2006. The reverse depicts a portrait of the Queen in profile wearing a Tudor-style cap before the Round Tower of Windsor Castle and a decorative floral motif. A gold-plated numeral 80 is centred in the field, with the denomination FIVE POUNDS at the base. Initials DB for designer David Birch are present on the shoulder truncation. The coin features a milled edge. Catalogued as KM# 170a.