Tektronix 5000 Series CCAs R-2867-01 and R-2867-03 (670-3556)

Description

Offered for your consideration are two Tektronix 5000 Series CCAs, R-2867-01 and R-2867-03 (670-3556).
Condition: Both CCAs are clean and in good condition. Untested.
Same part number, but it l
ooks like there is quite a lot of difference between the -01 and-03.  Designs and interface header connections appear to be similar, but not identical.
The -03 is also marked with a 670 number.
All components appear to be present. Only minor indications of rework (solder disturbed).
No signs of damage or overheating except for the brown spot under the power resistor on the -01 board.
Lots of good parts for scavengers.