Alderney 2 Pounds 1990 Queen mother’s 90th Birthsday world coin

Unc coin with fading at 2 places on reverse
Century 20th Century
Nationality British
Type COIN
Issuer Alderney (Guernsey)
Queen Elizabeth II (1952-2022)
Type Non-circulating coins
Year 1990
Value 2 Pounds
2 GGP = INR 256
Currency Pound (decimalized, 1971-date)
Composition Copper-nickel
Weight 28.28 g
Diameter 38.61 mm
Shape Round
Technique Milled
Orientation Medal alignment ↑↑
Number N#11654
References KM# 2, Schön# 2
Obverse Right facing uncouped bust of Queen Elizabeth II, wearing the George IV State Diadem, legend around, date below
Reverse Cameo of the Queen Mother above roses