Abstract: A rectangular mounting plate is provided for mounting on the outer surface of a vehicle bumper in slightly spaced relation relative thereto and in the usual license plate mounting location. The mounting plate includes structure for supporting a license plate therefrom in position overlying the outerface of the mounting plate and a support plate is provided including structure defining opposing channels extending along opposite marginal portions thereof in which the corresponding marginal portions of the mounting plate are slidingly receivable, whereby the support plate may be slidingly engaged over the mounting plate. Further, the support and mounting plates include structure for releasably retaining the support plate in positions supported from the mounting plate in substantially full registry therewith and the support plate includes outstanding hitch structure to which the hitch construction on the forward end of the trailer tongue may be removably universally coupled.