Fresh from an estate comes this KLM power amplifier, model PA15-110CL. This is rated for 5 to 15 watts input and 110 watts output on the Amateur Radio 420 to 450 MHz band.

I tested this with my transmitter which puts out about 10 watts and got 90 watts from the amplifier, so it is working as intended.

The  amplifier does show some cosmetic wear but no real  damage. Please see the photos to judge for yourself.