Colombo mint.
正面 : Crowned Coat of arms of Portugal between 3 to left and i to right ([16]3一) within line-dotted-line circles.
背面 : Gridiron of Saint Laurence divides S L (São Lourenço) and flames below within dotted-line-dotted circles. On line circle 4 dots crosswise on top-right-bottom-left.
"Tutenag" or "Chinese white copper""Tutenag" or "Chinese white copper"；
说明:
Mint São Lourenço (Colombo)
正面: Crowned Coat of arms of Portugal within line circle.
背面: Gridiron within line circle surrounded by legend S:LOVRENCO divided by a nail-like ornament.
