Florentine
From AmtWiki
Literally; fighting with two swords, comes from the fencing schools of Florence, Italy where it was popular to fight with either a sword and dagger or two swords. This was also a popular fighting stlye in 14th to 16th century France; where they use a sword in the primary hand and a main ganche(sp?) in the off hand. [Miyamoto Musashi], author of [Go Rin No Sho] also adovated a slightly unpopular two sword style useing both the shorter [wakizashi] and the standard [Katana].
This card created by Grendel
In tourneys
Florentine is a mainstay event in most Tournaments. In many Kingdoms the length of the swords themselves are restricted, usually to standard short length, or 36”.
Just starting out?
See Sir Rand's An Amtgard Guide for the Competitive Newbie.