www.925-1000.com

Sorry for the previous post I hit submit by error, thanks for taking the time to look, any information on the text in this mark would a great help, not sure if it a name or a city, just an indicator of some sort regards Joe

Joyeria Bolivar Mexico. Not in a position to look any further into the name right now.

Here's the mark as illustrated in Bille Hougart's book:



Source: The Little Book of Mexican Silver Trade and Hallmarks: Hecho en Mexico - Bille Hougart - 2006

Trev.