In January 1990, the Laguna Copperplate, then just a thin piece of crumpled and blackened metal, was offered for sale to and was acquired by the National Museum of the Philippines after previous efforts to sell it to the world of antiques had been unsuccessful.
The inscription forgives the descendants of Namwaran from a debt of 926.4 grams of gold, and is granted by the chief of Tondo (an area in Manila) and the authorities of Paila, Binwangan and Pulilan, which are all locations in Luzon.