UPDATE: I left a comment below with what I think is a better approach.
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The dropdown on the payment page says "Currency" and "select currency" and "select a currency", but I think it should probably say "select a payment method", since technically a credit card is not a currency.
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Also this point is very small, but I recommend putting the credit card as the first option, since most folks will be selecting that one. It will make it slightly easier for them to parse the page that way.

UPDATE: I left a comment below with what I think is a better approach.
The dropdown on the payment page says "Currency" and "select currency" and "select a currency", but I think it should probably say "select a payment method", since technically a credit card is not a currency.Also this point is very small, but I recommend putting the credit card as the first option, since most folks will be selecting that one. It will make it slightly easier for them to parse the page that way.