From Beckett Annual #7 (2002), Regular Issue first, then the Venezuelan issue. The glossary states RP=Relief Pitcher of all things! Jim Kaat and Julio Navarro get the Yaz RC RP treatment in the section I scanned but when I looked up a rookie card of Ray Sadecki (#327) it just said RC. 59's follow the same RP RC pattern so I assume then the RP additive could be a misnomer for Rookie Parade then, or whatever they meant to designate as rookie subsets that follow a specific overall design. Since they removed RC for the Venezuelan issue listing, I strongly suspect that's what happened.
Last edited by toppcat; 09-09-2020 at 12:28 PM.
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