First an interesting look at the choreography of fighting with two Dandpata at the same time; please see
https://www.youtube.com/watch?v=qV25-ORDeUg and imagine being in the arena trying to fight this technique.
Secondly a look at
http://wallacelive.wallacecollection...ype=detailView Abraham Stamm blade on a PATA; By the way PATA means
paw in Portuguese) ; The blade clearly marked with Stamm on one blade surface and Solingen on the reverse.
Stamm was active between 1700 and 1729.
Finally, Please note ; Another
Stamm appears at
http://www.vikingsword.com/vb/showth...ighlight=stamm . Quite usually his blade stamp is two;
STAMM STAMM. That may also be the case at the bolster at the throat concealing the full inscription at para 2 above..