My brother has a Mod. TA90 Cal 9mm parabellum armi fratelli TANFOGLIO spa.... And is unable to find compatible magazines... I want to surprise him for his birthday with something that will fit and work properly... HELP
Hard to say without knowing exactly which model Vintage your brothers Pistol is.
Pre-series 88 Tanfoglio Pistols will use Pre-B Cz75 Magazines.

Pre-Series 88 Tanfoglio Tz75/TA90
Series 88 and later Tanfoglio Pistols can use Mec-Gar Cz75B Magazines and current small frame 9mm EAA Witness Magazines

Tanfoglio TA90 Series 88 with Mec-Gar 19 round Cz75B Magazine
Tanfoglio/RIA MAP1 with Mec-Gar 19 round Cz75B Magazine