got some M737 XT, 175mm, polished, with no logo, and a few dents on the inside of the arms. Brushed silver ring. Threads and tapers good £35 posted
Could do some M737 XT, 175 in used, same rings as above, but good condition for £50 posted
or some MC30 STX, 170 mm, used, but reasonable condition. Chromica outer, silver rings. Threads and tapers good £25 posted
Can photograph tomorrow if interested