Elizabeth II 1980 4-coin proof Set, first year of issue

Elizabeth II (1952-2022), gold proof Set, 1980, Five-Pounds, Two-Pounds, Sovereign, Half-Sovereign, crowned head right, obverse portrait by Arnold Machin, Latin legend and toothed border surrounding, ELIZABETH. II. DEI. GRATIA REGINA. F. D, rev. St George and dragon right, 1980 in exergue, B.P. to upper right of exergue for designer Benedetto Pistrucci. This was the first gold proof set issued under the reign of Elizabeth II (S. PGS01). Proof state, sold with original Royal Mint box and certificate of authenticity.