Porsche 911 crankshaft for 3.2 or 930 3.3. Ground to 0.25mm undersize.
 
Bought for an engine rebuild in 2016 but we didn't use it. Has been sitting in the back of my cupboard ever since. 

Has small degree of pitting on shaft (see pic 3) and oxidation from storage. The label in photo 3 from the original supplier I have unfortunately lost, I include for information purposes only.

Collection only, Putney West London.