British East Africa (Colony). Silver 1 Shilling Coin. References: KM-21. Denomination: 1 Shilling Material: Silver East Africa Protectorate (also known as British East Africa) was an area in the African Great Lakes occupying roughly the same terrain as present-day Kenya (approximately 639,209 km2 (246,800 sq mi)) from the Indian Ocean inland to Uganda and the Great Rift Valley. Although par ...