New-b question about a scope mount

[pfchobart]

I have a byf 43 with a hensoldt-wetzlar dialytan 4x sr# 7777. the front is a dubble claw dovetailed into the reciver but the rear base is something a little different. can any one tell me what I have?? I am leanning towards a ciggirate gun.
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[pfchobart]

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[pfchobart]

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[pfchobart]

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[KenT]

I know little on the mount, but I have heard from a scope expert that Hensoldt DIALYTANs with low serial numbers are post war. FYI, the military contract Hensoldt DIALYTANs (bmj + marked) are from 65000 to 85000 serial range.
Ken