Tektronix 2440
This oscilloscope was bought at eBay Germany and it arrived to Spain in perfect shape and working.
All SELF TESTs passed with flying colors:
It came with a couple P6137 400MHz probes:
I generated a 50MHz sinusoidal wave with my R&S CMT-84 and this is what I got.
First picture is in NORMAL capture mode:
Second picture is in 8 AVG capture mode, which shows a cleaner trace: