Originally Posted by ajnaro

Just by way curiosity I tried my AMEX Platinum. On Sept. 16 2011 (there is only one date on the AMEX site, not a purchase date and and posting date) EUR 149.85 was converted to USD 208.88, implying a rate of 1.394. According to xe.com, the rate for that date (at noon) was 1.378, so the AMEX rate seems to include a surcharge of 1.16%. Any other experiences? With this sort of conversion, I'm more likely to stick to VISA than try AMEX again.