Just another thought: There is one other way that you might consider following through if you come up against serious problems with those already suggested. The airport you passed through will have copious CCTV coverage that is recorded. Unfortunately, the card company will put the onus on you to make the effort all the way, although if you handle this delicately you can elicit a more positive than stand-back attitude from them. Again, you will need to have your flight details handy, and obtain from the airport the precise times of landing and disembarkation for your flight. Then you contact airport security and approach getting access to CCTV footage when you would have passed the location of camera(s). I have no real idea how they might react, but if it were me, I would go to the airport and do this in person - it is far too easy to say no over the phone. Frankly, all you would need would be a certified still of you coming through the ""airside" area (before passports, baggage, customs and on the secure side of the airport). This with airport security's confirmation that it is from their records, taken at the given time, should do the trick. Never hand anything over without keeping a copy.