Extremely Rare Nippon Kogaku 40.5mm Filter Set

khw

This is a set of extremely rare original chrome ring 40.5mm filters for the extremely rare very early 50/1.5, or the more common 50/2. Only these two Nikon RF lenses use 40.5mm.
Like new condition, a true collector set. This set includes the follows:

1. ND4X
2. Y48
3. Y52
4 A12 - for colour collection

Ask: HK$1800.

Will include a 85 if I can dig it out.