go to post office
give ur letter to the counter staff, they will tell u the postage
fee
u pay and u will get the stamps required
if the staff is nice, he/she will paste the stamp for u
if long Q, u take the stamps, lick them, paste on the envelope, and
drop it in the mailbox labelled other countries
if u want it to be registered (somehas has to sign on a slip to
receive the letter), it's additional $2.20
if the letter is in a standard size and not heavy, u can refer
to the postage rates
here
bulky mail has got to be weighed at the counter and the computer
will calc the postage