Gambia Coins 4 Shillings 1966 Crocodile The obverse, designed by Arnold Machin, features the bust of Queen Elizabeth II facing right. Lettering: THE GAMBIA 1966. Engraver: Arnold Machin. Reverse: Slender-snouted crocodile, denomination at right. Value on Mandinka, Wolof and English languages. Lettering: 4 SHILLINGS ـٍ لس ـٌ رم Translation: Dérém Dalasi. Engraver: Michael Rizzello. Edge: Reeded. Value: 4 Shillings. Metal: Copper-nickel. Weight: 18.3 g. Diameter: 34 mm. Shape: Round.