3 way Dynaudio Argon crossover

Hi Guys, I've a old 3 way system from DYNAUDIO / DYNACAR 4 ohm. The crossover has 2 inductors, one (air core) for the mid and the second a laminated core inductor for the Woofer.
This inductor is very damaged (rust on metal and gap from metal layers) I would like to replace it but I do not know the value (H).
I tried to draw the diagram with known values.
Can someone help me?
Thanks
 

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