Great war sword mark for id

[fernando]

Originally Posted by Zwielicht

Can't say for sure, but the cross on the pommel reminds that on the Jerusalem kingdom coat of arms. Wonderful sword, by the way.

The Jerusalem cross is adorned by four crosslets. This one alone is the so called Cross Potent (Krückenkreuz), mostly found in Roman Catholic insignia.
This sword being authentic, falling into the XIII-XIX century period, is something extremely rare and highly valuable, only seen in museums and special collections; am i wrong ?

.