hello, i'm looking for spanish stamps to include in fan mail to fc barcelona. my 11 yo son is sending fan mail to messi in hopes for a reply. yes he knows it may be a sec but is still willing to try. can anybody tell me how i can determine postage for a 5 oz. 9x12 envelope and how i can buy them? i ...

hello Christopher,
I'm looking for enough spanish correos for a 5oz. package to be sent back to the USA.
do you sell these, and how do I figure out postage?
thank you,
kim
San Diego, ca