Two odd type FLORIDA license plates 1973 #17= Seminole county; steel RP = ??

Description

Here are two older steel Sunshine State license plates, one unused 1973 from Seminole county (17) and another of a type and age unknown to me.
Tags shown are offered as one lot. For details of condition please study the photos.
Tagbarn downsizing is your opportunity. No price pushing; NO RESERVE. Good luck; thanks for looking.
DISCLAIMER:
PLATES OFFERED IN TAGBARN AUCTIONS ARE EXPIRED AT LEAST THREE YEARS AND ARE NOT INTENDED FOR VEHICLE DISPLAY UNLESS THE PLATES ARE YOM-ELIGIBLE. THEY ARE PROVIDED AS A SERVICE TO HOBBYISTS, COLLECTORS, RECYCLE ARTISTS, AND ALL THOSE WHO APPRECIATE THE VALUE OF OBSOLETE LICENSE PLATES IN THE PANTHEON OF AMERICANA.
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TAGBARN IS BACK for the 2021 season. Watch for new listings frequently! Your interest in these offerings is very much appreciated. Requests welcome; Satisfaction guaranteed! Additional photos available; just ask. YES, I do combine shipping-- up to eight standard size plates can be sent for the same price as one!
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Note,, USPS shipping rates have gone UP yet again.. .. but we are fortunate to have a still working Postal System.