BRITISH WEST AFRICA. West African Currency Board. 20 Shillings, 1953-57. P-10a. PMG Gem Uncirculated 66 EPQ.,A high grade example of this 20 Shillings Waterlow & Sons design from British West Africa. Elephants head seen in the watermark bordered by a circular guilloche design of blue, green, orange, and red colors.,PMG Gem Uncirculated 66 EPQ.