Backroads, I'm afraid it's a dud - copied from Gibbons. This what the real thing looks like:

and used are scarce (usually cancelled with a dumb cancel of bars, from memory), and
genuinely used are stratospherically rare.
Edit: I still have a spare copy of this SG 1 you could have for free. Just send me an email with your address, and I'll put it in the mail for you.