Looking for a specific Spitfire Mk IX serial number?

[Miracle Paint Masks]

Hi Guys,

I am trying to find out the serial number of Adolf "Sailor" Malan's Spitfire Mk IX, not his Mk I (ZP-A) and not his MkV (AG-M) but his MkIX, which was coded AGM. I have one photo of him in the cockpit, the A is hidden by the entry door, but the serial isn't shown! I have done many searches but all I get is the Mk I and V.

 

This is for a mask set that I am doing for Dani Zamerbide

 

Any help with this would be much appreciated