@Frank:
Unfortunately I got only one useful photo of the taxiing #2 so it could be the MM54480 which would pefectly match the version PAN (AD009). The typeface of the red stencils is not very spotterfriendly so I will agree that #2 should be MM54480. Thanks.
@Vinny: Good point. MM54438 is not a likely candidate and besides it's the first production example (AA001). I checked my photos again for #2 and I can offer you now MM54439 instead :-) which is the first airframe produced for the Frecce Tricolori (AD001). Unfortunately the Scramble database lists t...