The undated silver Tanga with Coat of arms of Portugal and Gridiron of Saint Laurence monogram struck in Colombo, fort São Lourenço for circulation in Ceilão, with no mint initials, during the reign of D. Filippe II (1598-1621).
|Codrington #113; Gomes ; F.Vas F2.16; KM #8|
Codrington (VIII-22:a,p.100) lists it among undated silver coins
of the GridIron type with crowned Coat of arms.
Although 10% lighter than average weight given in F.Vas, Codrington only
lists coins with weight 2.14 to 2.38 grams
This undated gridiron type Tangas followed a small issue of undated Tangas bearing TA monogram and were succeeded by by dated issues commencing 1631.
* Ceylon Coins and Currency By H. W. Codrington. Colombo 1924
Chapter VIII Portuguese - Plate V. P.100
* Moedas Portuguesas 1128-1988, by Alberto Gomes. Lisbon 1987
* Indo Portuguese Money, by J Ferraro Vaz, . Braga, Portugal 1980 p.130
* Collection Henry Thomas Grogan, J. Schulman, Auction 23-02-1914.
* Non-Islamic and Western Colonies since 600 AD by by Michael Mitchiner.
The XF grade coin was scaned at 600 dpi and images are displayed at 500 dpi. The coin is from part of Lalith Raddella's collection (ex. Raja Wickramasinghe) purchased in 2016 December.