@ridelondon Payment form says Amex accepted; I tried (twice) but it was rejected as invalid. A Mastercard worked first time.
— Simon Dickson (@simond) February 14, 2017
@ridelondon Payment form says Amex accepted; I tried (twice) but it was rejected as invalid. A Mastercard worked first time.
— Simon Dickson (@simond) February 14, 2017