Which Piccione breeds come in Gazza?

Club breed standards describe Gazza for the Modenese.

Piccione pattern

Gazza

Dark and white in a set arrangement: the Magpie duck's colored cap and back, magpie rabbits and cavies.

2 Piccione breeds list Gazza. It is in a club standard for 2 breeds.

Breed	NPA	BDRG
Modenese	Da standard (“The color descriptions apply to both Schietti and Gazzi, with the exception of the white on the Gazzi body.”)	Da standard (“Gazzi Blau mit bronze Binden; Gazzi Blau-bronzegehämmert; Gazzi Dunkel-bronzeschildig-gehämmert”)
ModeneseGazzi	Da standard (“The color descriptions apply to both Schietti and Gazzi, with the exception of the white on the Gazzi body.”)	No ruling