I don't think I've seen that before. I've seen a lot of "Once broken considered sold" though, especially when selling china or glassware.

And any lawyer will tell you that the sign that say ‘if you break it you’ve bought it’ can’t be enforced. Under contract law it’s considered an ‘invitation to treat’

Thank you for your reply.

I've never heard that one or seen it on a sign. But I have heard, "You break it, you bought it."