Las Vegas, NV. Circus Circus Casino NCV 5 Prize Units, 1st Issue: Dk Blue (Color), Nevada (Mold), No Inserts, R-White (Inlay), R-7 (Rarity), AVG=30, S-U=45, NEW=60 --> US Casino Price Guide 4th Ed.; Campiglia/Wells.

Las Vegas, NV. Circus Circus Casino NCV 5 Prize Units, TCR# N6118, Value Code=J ($50-$59), Navy, 1968 --> The Chip Rack; Sands/Sarles/Spragg.

I hope this is sufficient info...

Regards,
Thomas (R-7788)