In Ca you can, if they are "clean" as in never been registered before.
That is what I was told from a plate vendor at a car show. Check with your
DMV just to be sure.
>From: "MikeC" <firstname.lastname@example.org>
>Reply-To: "MikeC" <email@example.com>
>To: "Spit List" <firstname.lastname@example.org>
>Subject: License plates
>Date: Tue, 11 Jul 2000 18:37:58 -0600
>I found a set of nice 1963 license plates and want to put them on my 63
>Spitfire. Has anyone tried this before? Will the state allow this if I
>re-register the car?
>BTW: I live in Utah.