Try here: http://www.wikisummaries.org/The_World_Is_Flat
how much a first letter that weighs 2.1 oz cost to mail
about $13
.45 + .20 = .65
61 cents
$1.10
$16.25.
$1.35
It depends on where you live.
To mail a letter from Raleigh NC to Vatican City Rome you will need international postage. The amount it will cost to mail the letter will be $1.10. This is for a regular business sized envelope.
4.1 OZ
Domestic Letter Rate: 3¢ per oz · Postcard Rate:1¢ Air Mail Rate: Jan. 1 - Mar. 25: 6¢ per oz. · Mar. 25 - Dec. 31: 8¢ per ozFirst Class Mail was three cents.
61 cents