The filters are in ex condition, but do not have cases. $12 for all 3 shipped to the US. Paypal or check.
Pentax's 645, ME Super, Spotmatic II
Minoltas SRT 102, SRT 202
Canons A1, EF, TX, FT QL
many Nikons-F2 eye level F2AS N90s, F4E, N2000, N6000, N6006, Nikomat FTN, N5005