Not really got any idea as ive not messed with retros for a while. would £100 plus postage seem ok? Or you can pick it up... BradfordHeadtubes crack for a pastime - I've got 2 (neither for sale btw). Watch the seatpost shim too, the seize in, and won't clamp the seatpost if rotated.
How much @prestontony ?
Appreciate it’s late in the day but I’ve messaged youMaybe not then? i have no idea what a good price is