tanned skin

Source reference: 

AAT

The Arts and Architecture Thesaurus Online, The Getty Research Institute.

Additional reference: 
http://vocab.getty.edu/aat/300053944

Middleton (1994, 4th ed.)

Bernard Middleton, A history of English Craft Bookbinding Techniques, New Castle, London, Oak Knoll Press, The British Library, 1994 (4th ed.)

Additional reference: 
p. 117

Used as preferred label for