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Heck, that was quick - but looks good.
For future reference, the Tamiya kit (and the ICM version) have the curved upper wing surface as the cockpit floor, as per the P51-A etc.
There should be a wooden floor, with a 'cut out' around the control column, easily added from plastic card if you build another example.
Let me know how the Montex masks work. I could never get them to stick for very long.
Nice work
I've used Montex masks on one previous build and they were on for quite a while and worked great. Got them for my current Corsair build so hope I have the same experience!