with a hood, in a mint condition except missing "a red dot", but the marker was transplanted
from MD Rokkor 50/2 lens, which was used to modify a Contax G-Biogon 28mm to E-mount.

It was just $100 @2013, not too expensive nor a bargain. But it was expensive ¥94,000
when it was introduced at 1983, today (year 2013) it may worth about US$1,100~1,500.