Due to the significant differences between female and male mink (i.e. size and hair), sex is a sorting criteria in the grading process.
Males are longer and wider, while females are shorter and the leather is thinner. This does not mean, however, that male skins are better in quality than female skins.
Fox and Finnraccoon
There is no difference between male and female fox and Finnraccoon skins in the grading process.