No stag as far as I know, but I have a long fillet knife in blonde coloured bone that looks really nice. It's the same as the common Opinel (folding ring lock) solid handle of bone and somewhat longer and slimmer.
Willgoy,
Here you will find stag handled opinels : http://www.bladeforums.com/forums/showthread.php?t=502298&highlight=paragraaf (also see the next page for prices).