This is what I have:
Stouffer T4110C, calibrated, transmission, NEW, $35
Stouffer R2110C, calibrated, Opaque Gray Scale for reflection calibration, NEW, $14
Stouffer T2115C, calibrated, transmission, NEW, $10
Stouffer RZ9 Zone System Chart, NEW, $8
Stouffer TP4x5-31C, calibrated, transmission 4x5 inches, USED in excellant condition, $25
These prices are US and net, although shipping would be very little for these. Let me know if you're interested in any...