The collars can be dated to the 1920s, evidenced by a photograph of Gwen Steele (nee Kelly) wearing them on a trip in New Zealand in 1930. Items of fur clothing with provenance allowing a creation date of the 1920sTwo fur collars made of European marten fur. One collar is of Stone (Beech) Marten fur; the other of Baum (Pine) Marten.Handwritten Note on reverse of photo Photo taken in 1930 in NZ. Mrs Gwen Kelly, now Gwen Steele, wearing Stone Marten fur. Also Baum Marten fur about same date. (Weasel type animal with valuable fur - Oxford Dic.)fur collars, full body furs, stone marten fur collar, baum marten fur collar, furs - 1920s