1236 to 1284 - Lanka
Dambadeniya Period - Massa Coins

The Sinhala king Vijayabahu III (1232-1236), who had attained the sovereignty well on in life, made his capital at Dambadeniya in Kurunegala District, and calling back the priests from India conveyed the Tooth and Bowl Relics from their hiding place in Kotmale to the seat of government. He only reigned four years, and before his death committed to the care of the priesthood his sons, ParakramaBahu and BhuvanaikaBahu, both of whom were children.
Pandita ParakramaBahu II (1236-1271), was born at Sirivardhanapura not far from Dambadeniya. His first act after his coronation was to bring the Tooth Relic and lodge it at the capital. He then turned his attention to the recovery of Polonnaruva from the Pandaya, and achieved this purpose by 1244. The rest of the reign according to the contemporary records was spent in pious works ; the king also held a convocation for the purpose of reforming the priesthood, whose discipline had been relaxed during the Pandaya occupation. After reigning thirty-three years he abdicated in favor of his eldest son VijayaBahu. The new king occupied himself in works of piety, and in completing the restoration of Polonnaruva. Having attended to restorations at Anuradhapura, VijayaBahu sent for his father to Polonnaruwa, where he was crowned a second time. The Tooth Relic having been brought, Parakrama held his ninth ordination festival at Dahastota, and then returned to Dambadeniya, where he died in his thirty-fifth year. VijayaBahu IV (1271-1273) now was sole king, but was assassinated, by his general Mitta, who seated himself on the lion throne. His younger brother, BhuvanaikaBahu succeeded in escaping; the usurper failing to secure allegiance of the south Indian mercenaries, who had been won over by the true heir, was murdered, and the BhuvanaikaBahu I (1273-1284) crowned and reigned eleven years. Early in his reign he had to deal with a Pandyan invasion, which he repelled ; thereafter he lived for a few years at Dambadeniya, and then removed to Yapahu. A Dhamila general Ariyacakkavattin laid waste Lanka and the sacred Tooth Relic and all the costly treasures he seized and made over to Pandu king Kulasekhara (1268-1308). BhuvanaikaBahu's son ParakramaBahu III (1302-1310) seeing no other means visited the Pandu King and by friendly negotiations, inclined him favourably and brought back the Tooth Relic to Lanka.
King Parakramabahu II - Sri pa ra kra ma ba hu
parakramabahu_reverse parakramabahu_text
Mitchiner #845-847

King Vijayabahu IV - Sri vi ja ya ba hu
vijayabahu_reverse vijayabahu_text
Mitchiner #848-849

King Bhuvanaikabahu I - Sri bhu va ni ka ba hu
bhuvanaikabahu_reverse
bhuvanaikabahu_text
Mitchiner #850-852

References
* The Mahavamsa - Chapter LXXXI to LXXXIX
  Culavamsa II - being the more recent part of the Mahavamsa.
  Translated by Wilhelm Geiger. Published 1930 for the Pali Text Society.
* Ceylon Coins and Currency By H. W. Codrington. Colombo 1924
  Page 69 Chapter VI Mediaeval Lanka - Sinhala of 12th & 13th Century - Series II - Plates 84-86

The massa coin was scanned at 300dpi and displayed at 300dpi. On avearge Series II massa coins are 19mm (0.75 inches) in diameter and 4.0 grams (0.14 oz) in weight.