I have a friend who makes drinking horns, blowing horns, and powder horns. Drinking horns are $25-$50 depending on what kind you get and the blowing and powder horns are $20. They're not really fancy but compared to other ones that I've looked at they cost a lot less than others out there.
http://rendyboats.com/drinkinghorns.htm
He is hoping to get other items up there and I've talked to him about working on stuff for him. Right now though it's just going to be drinking horns because he is deploying soon. We're hoping next year more items can be added.
