leather made from the flesh of sheep or lamb skin, or from sheep or lamb skin from which the grain has been removed by frizing and tanned by processes involving the oxidation of fish or marine animal oils in the skin, using either solely such oils (full oil chamois) or firstly, formaldehyde and then such oils (combination chamois), pehme ja veniv rääspargiga töödeldud ja lihvitud kitse-, lamba-, põdra- või hobusenahk