If it does not have an "X", I NEED IT!

This page is keyed by Blue Book 2 but has been modified to add new issues. The order may or may not be correct.
498C S1a WHT R GRY RED ORG FF; FDL
498C S1b WHT R DGY RED ORG
498C J1 BLK C WHT M/C RED/BLK name; solid EMB REC; VIG
498C J2 BLK R YEL WHT RED
498C S2 BLK R GRY RED ORG FDL
498C S3 BLK R DYL RED 75thOA
498C J3 BLK R YEL BLK RED
498C R1 BLU R M/C BLK RED RND w/ feathers hanging; Eastern Wind Dancers
X 498C S4 BLK R GRY RED DYL ORD
X 498C S5 RED R GRY RED DYL BRO
X 498C S6 BLK R YEL BLK BLK 1998 NOAC, Issued Dec 98
498C J4 DBL R BLU DBL FDL; Allogagan award
498C N.5 RED P WHT RED EMB
498C N1 RED P WHT M/C RED SSC; FDL; RED & BLK name
498C N2 WHT RED SSC
498C N3 WHT P GRY RED YEL EMB; FDL
498C YX1 BLK C M/C Dragon shaped; prototype