> This is off-topic, but directed to anyone who might know.
>
> In January, when the Euro currency takes over, I'm sure it will affect
> postage stamps too. If I had three 20 c? stamps, one from Germany, one
from
> France and one from Greece, would I be able to place them on a letter I
> intend to mail from Italy if the postage due was 60 c??
>
> In other words, would Euro denominated postage stamps be able to cross
> borders like the money will?
Logic would say no because Italy's postal agency did not
receive the revenue from the stamps. Regardless of value
you need an Italian stamp to post a letter in Italy.