It should be ok because it is Gen 1, but it will not pass US customs. No legit dealer will ship those to Canada. All current Gen 1 and most Gen 2 are Eastern European made, so GEN 1 are ok. Gen 2 used to be but new rules make them no go too.
You might be able to get some one to send one to a gun shop that has an export license for scopes etc.
The other thing to consider is that a lot of those units have very old tubes basically at end of life. You want to get a Morovision or Israeli rebuild, also try the euro ebay might find one there.