reproduction fender tags legal?

I did find this about Michigan.
"DECODING: 1962-1974 Body Code Plates (AKA Fender Tags) and Production Broadcast Sheets. We also reproduce lost or rusty Body Code Plates (AKA Fender Tags), Monroney Labels (AKA Window Stickers) 1966-68 Certicards. (Most services not available in Michigan). Check out our web page with a complete list of services and a little bit about me at www.gvgovier.com GTS-Galen V. Govier, WPC# 6437, 37260 Sand Burr Ln, Prairie du Chien, WI 53821, 608-326-6346, 608-326-8061 FAX"