I decided to go another route so my newly acquired Shimano 600 Ultegra parts are for sale..
FC 6400 cranks, super glide, 170 mm, NOS in packaging, brand new EUR 110
BL 6403 brake levers, aero type, NOS, no packaging, including cables, manual, et cetera EUR 70
SL 6400, shift levers, 7-speed SIS, NOS, unopened in packaging, so includes cables and all small pieces EUR 100
BR 6403 brakes, used, nice condition, EUR 40
CS-HG90 cassette, 7-speed, 13-21, Hyperglide, NOS, unopened in packaging EUR 60
FD-6400, front derrie, 7 speed, used, nice condition EUR 15
RD-6400, rear derrie, 7 speed, used, nice condition EUR 20
All NOS parts have no marks whatsoever. Prices are lower than what I paid in case you wondered..
Items located in Holland, postage not included, will ship world wide at cost.