US$ cash notes need to be new print (2006 or newer) and totally unmarked, preferable unfolded. No pen marks, no stamps. Please be aware that the banks here unable to receive if the notes are not like what we just described above. Or if you insists to do payment with the notes that are not following the the above conditions, there is a surcharge of each note because the money changer will also giving us a lower exchange rate than the daily actual money changer rate. And we don’t accept coins.