The actual Image of the LCI found in Lumbang river.
The inscription is on a thin copper plate measuring less than 20 × 30 cm (8 × 12 inches) in size with words directly embossed onto the plate. It differs in manufacture from Javanese scrolls of the period, which had the words inscribed onto a heated, softened scroll of metal.
Inscribed on it is year 822 of the
Saka Era, the month of Waisaka, and the fourth day of the waning moon, which corresponds to Monday, April 21, 900 AD in the
proleptic Gregorian calendar.
 The text is Old Malay with numerous loanwords from
Sanskrit and a few non-Malay vocabulary elements whose origin may be
Old Javanese. Some contend it is between
Old Tagalog and
 The document states that it releases its bearers, the children of Namwaran, from a debt in
gold amounting to 1 kati and 8 suwarnas (865 grams; 27.8 troy ounces).
Dutch anthropologist and
Hanunó'o script expert Antoon Postma has concluded that the document also mentions the places of
Tondo (Tundun); Paila (Pailah), now an enclave of
Barangay San Lorenzo,
Norzagaray; Binuangan (Binwangan), now part of
Pulilan (Puliran); and
Mdaŋ (the Javanese
Kingdom of Medang), in present-day
 The exact locations of Pailah and Puliran are debatable as these could refer to the present-day town of
Pila and the southeastern part of
Laguna de Bay (a large freshwater lake southeast of
Metro Manila) that was previously known as Puliran—both close to where the plate was found.