Thanks for your attention!

THIS IS BRITISH WEST AFRICA BWA GEORGE VI 1939 1 SHILLING, PALM TREE

Composition     Nickel brass (79% Copper, 20% Zinc, 1% Nickel)
Weight     5.63 g
Diameter     23.6 mm
Thickness     1.8 mm
Shape     Round
Technique     Milled
Orientation     Medal alignment ↑↑
Demonetized     Yes
References     KM# 23