Original sentence: 1230, or the inscription was compilation of two peaces, or even a forgery, the mainstream academic opinion gives  its support of the thesis, the plate is an original artifact, made during the rule of Ivan Vladislav of Bulgaria.Even, according to Ugrinova-Skalovska (1926-2018), the claim on his Bulgarian ancestry is in accordance with the Cometopuli's  insistence, to bound their dynasty to the political traditions of the Bulgarian Empire.It is now kept at the Institute and Museum of Bitola, North Macedonia among the permanent exhibitions as a significant epigraphic monument, described as "a marble slab with Cyrillic letters of Ivan Vladislav from 1015/17".Moreover, the stone definitively reveals the ethnic self-identification of the last ruler of the First Bulgarian Empire before its conquest by Byzantium.but there is no historical support for such assertions
Edited sentence: 1230, or that the inscription was compilation of two peaces, or even a forgery, there is no historical support for such assertions.Even, according to Ugrinova-Skalovska (1926-2018), the Bitola plate was made by order of John Vladislav.It is now kept at the Institute and Museum of Bitola, North Macedonia among the permanent exhibitions as a significant epigraphic monument, described as "a marble slab with Cyrillic letters of Ioan Vladislav from 1015/17".Moreover, the stone definitively establishes the period of the reign of the last ruler of the First Bulgarian Empire before its conquest by Byzantium.The claim on his Bulgarian ancestry is in accordance with Cometopuli's  insistence, to bound their dinasty to the political traditions of the Bulgarian Empire.The text commemorates the fortification works on the fortress of Bitola under a Tsar Ivan Vladislav of Bulgaria