You’d have to check the ‘Dutch Spitfires vol 2’ book but mine is currently in storage. I did find a mention that they were modified at Ypenburg but that’s not much use I guess.
Edit: I found this small photo in ’75 jaar vliegveld Texel’, a book published by the airport to commemorate their 75th anniversary. Credit as in brackets below. ‘The remains of Spitfires NFN and NFP are removed from Texel in 1957’.
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