Originally the srang was a weight unit, particularly to weigh silver and gold.
Silver 1½ srang coins of 5 g were struck in Tapchi mint between 1936 and 1938 and again in 1946.
Billon coins of 10 srang were issued from Dogu mint between 1948 and 1952.
Gold coins of 20 srang were struck in Ser-Khang mint between 1918 and 1921.
Subsequently, the Tibetan government issued banknotes of 5, 10 and 25 srang.