one you might try (someday) is the Sagitta cross available from Dunlap hatchery in Idaho.
http://www.dunlaphatchery.net/buhl80/Dunlap.aspx?codeid=SAG
https://www.backyardchickens.com/threadloom/search
http://www.dunlaphatchery.net/buhl80/Dunlap.aspx?codeid=SAG
https://www.backyardchickens.com/threadloom/search