Not a bow, but I sold a dozen arrows to a fellow there a few months ago... just make sure if you go through the postal service you get someone who knows what they're doing and helps you fill out the correct forms... I think it ended up costing me around $13 to ship a dozen arrows which is about five or six more dollars than normal if I'd sold to someone in the US.
Right now there is no shipping to canada at the regular rates due to the canada post strike, but you can still send stuff global express guaranteed but it is alot more expensive
I did a price quote thru USPS on line and Global express was about $146 whereas express mail was something like $46. I about choked when I saw that $146. Guy says he has bought many bows and used USPS, said it wasn't bad and has even offered to pay the difference in what I quoted for shipping. Are there a lot of forms to fill out? He says they are not as bad with the forms. Says he will pay via PayPal as well. I guess I'm afraid I'll quote him wrong and the bow gets lost or something. I had a bad experience useing USPS last year shipping a treestand to Tony right here on the board. All worked out but it took 30 days to do so.
I have an item that I ordered from Canada two weeks ago that has still not arrived. The whole friggin Canadian Postal Service shut down 10 days or so ago when the workers went on strike. Awesome for me...not.