If you were in the UK, then the Consumer Credit Act section 75 would help you because it puts liability onto the Credit Card company along with the merchant and therefore, the credit card company would refund you.
If you have a UK credit card company then you may be able to file a section 75 claim to get your money back.
If it is a credit card from any other country, there may be similar legislation so it would be worthwhile enquiring of a law you are in the country from the credit card base.
Other than that, there is probably very little you can do because of the distance involved. It would certainly not be worth taking the matter to court unless you visit the UK regularly.
I would certainly revisit the credit card company to see whether there is anything similar to the UK Section 75 legislation
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