...posted elsewhere, Brent's Polara (1310) was a factory show car -- and it's the oldest '70 Polara convertible of which I know, thanks to your 2008 spreadsheet (i.e., I have no excuse for the goof).
I have removed the "END" as we don't know if there was a Y14 or Y93 code on DL27G0D101373 's tag.