REL Scope Numbers

What are the highest known numbers people have seen for each Mk?

I just viewed a picture of a Mk II, number 701-C.

C.No32Mk3 343-C

No. 32 Mk 3 69-C

Not a high number I know, but, one that always brings a smile to my face.

Terry

No. 32 Mk 1 #244