Which Gołąb breeds come in Sroczy?

Club breed standards describe Sroczy for the Modena.

Gołąb pattern

Sroczy

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

2 Gołąb breeds list Sroczy. It is in a club standard for 2 breeds.

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