Watch List notes:

COINS, ASIAN TERRITORIES, DECIMAL CURRENCY, CEYLON George V (1910-1936) and George VI (1936-1952), Silver 10-Cents (14), 1911, 1912, 1913, 1914, 1917, 1919B, 1920B, 1921B, 1922, 1924, 1925, 1926, 1927, 1928 (KM 104a). Generally mint state. (14)
These are the best that we could find for each date in many years of looking. A wonderful run of nice coins that would be very hard to duplicate.

Estimate: £300-400