if it's about 2 inches it's for registration sticker for antique registration. --- On Mon, 4/5/10, 71Westy@xxxxxxxxxxx <71Westy@xxxxxxxxxxx> wrote: From: 71Westy@xxxxxxxxxxx <71Westy@xxxxxxxxxxx> Subject: [tcb] Question about 1971 plates on a bus To: tcb@xxxxxxxxxxxxx Date: Monday, April 5, 2010, 5:54 PM #yiv1239301293 p {margin:0;}I installed 1971 plates on my bus and got a little metal plate that is attached to the rear plate. What is this for? My inspection is due this month but I forgot what the little plate covers. (Registration or Inspection) it's good till 2013. Anyone know? Eric, Ronnie I know you have them on your buses. Thanks.