In that photograph , Frank Leslie was no longer sporting his sweeping moustache .
In December 2017 , a previously unpublished photograph of Buckskin Frank Leslie was discovered , which depicts Leslie circa 1915 , when he was in his seventies , and wearing his famous buckskin jacket .
In that photograph , Buckskin Frank Leslie   was no longer sporting Leslie 's sweeping moustache .
In December 2017 , a previously unpublished photograph of Buckskin Frank Leslie was discovered , which depicts Leslie circa 1915 , when he was in his seventies , and wearing his famous buckskin jacket .