For minimum retail price, check this page. Brusca wholesale is sold in 500g (10 skein) bags. One unit = 500g = 10 skeins.
Brusca is a breed and flock specific yarn. It is made of 50% Saloia and 50% Merino Branco and Merino Preto wool.
Saloia is the native sheep breed to the region of Lisbon and Setúbal. It is well documented since the 19t