I cant help on the daye, but I see old horseheads at the antique gun shows often, usually very overpriced. I looked at one recently that I could not convince the seller that it was from Finland. He was sure it was from Turkey because of the rinosoris on tbe handle, funny and true. 

John, try going to Kellam knives website. They selll vintage puukko and have for sale and sold a bunch of horse heads. They dont date them but you can see the changes in horse detail, it gets simpler as time goes by. The handle material is also a clue. Maybe if you send them a picture they could help. 

hello DLKG.  would love to hear more about your NSBC knife club sometime.  please drop me an email, or post a piece and share with us.  thanks tdp.
 
dead_left_knife_guy said:

Hey, I've spoken to Les Ristenen many times, he's a member of our knife club (North Star Blade Collectors)!  Funny & very knowledgeable -- definitely a good source for information on Nordic knives.  Unfortunately I do not have contact information for him directly, & a brief internet search has not yielded that information either, but I can vouch for him as someone who knows a large amount about Scandinavian knives.  Do a thorough search for him, maybe in online Scandi forums -- or maybe someone on one of those forums could help!