bachmann B23-7 wanted

I need a bachmann b23-7 shell. The one i have meet by grandkid, need i say more. I do have much better engines but i like this one too. I have contacted bachmann int. and they do not have a one.So if anyone out there knows where i can get one i would be greatful. Tyied the hobby shops in my area with no luck too. Please leave a contact Thank you R.E.LUCAS