you can send green stamp = 1$  (paper)                                       02-jul-2012
most countries need 2$
----------WorldWide----------------
http://www.atms.ch/rates/
-----------CANADA------------------
Stamp Increase Jan 16, 2012: http://gazette.gc.ca/rp-pr/p2/2011/2011-12-21/html/sor-dors296-fra.html
Stamp Increase Jan 14, 2013: http://gazette.gc.ca/rp-pr/p1/2012/2012-05-26/html/reg2-fra.html

Jan 16 2012  From Canada to Canada   0-30 g... $0.61  30-50 g... $1.05
Jan 16 2012  From Canada to USA      0-30 g... $1.05  30-50 g... $1.29
Jan 16 2012  From Canada to DX       0-30 g... $1.80  30-50 g... $2.58

Jan 14 2013  From Canada to Canada   0-30 g... $0.63  30-50 g... $1.10
Jan 14 2013  From Canada to USA      0-30 g... $1.10  30-50 g... $1.34
Jan 14 2013  From Canada to DX       0-30 g... $1.85  30-50 g... $2.68

Jan 13 2014  From Canada to Canada   0-30 g... $0.65  30-50 g... $?.??
Jan 13 2014  From Canada to USA      0-30 g... $?.??  30-50 g... $?.??
Jan 13 2014  From Canada to DX       0-30 g... $?.??  30-50 g... $?.??


http://www.canadapost.ca/cpo/mc/personal/ratesprices/send/default.jsf      click rates and prices
 
From Canada to Canada   0-30 g... $0.61        31-50 g... $1.05
From Canada to USA      0-30 g... $1.05        31-50 g... $1.29 Minimum: 140mm x 90mm x .18mm  Maximum: 245mm x 150mm x 5mm
From Canada to DX       0-30 g... $1.80        31-50 g... $2.58 Minimum: 140 x 90 x .18mm      Maximum: Length+Width+Depth cannot exceed 90 cm
(+ taxes if applicable)

To order stamps
http://www.canadapost.ca/personal/collecting/online_store/default-e.asp    by phone and online    canadian + USA and DX stamps
$0.72 US stamp catalog number 346501 (to order) now it's $0.85


-------------USA--------------------
Postage rates go up Jan 04 2010:  $0.44 First ounce, $0.28 Postcard, $0.75 to Canada $0.79 to Mexico, All Other Countries  $0.98
price changes
-------------USA--------------------
Effective Jan 22, 2012

From USA to USA                http://postcalc.usps.com/Default.aspx
First-Class Mail 
$0.45 First ounce     
$0.32 Postcard      

From USA to DX

Table 4: Letter-post
Price Tables
Table 4a: First-Class Mail International — Letters

Weight Not
Over (oz.)1         Price Groups2

                 1     2     3-5  6-9
1.0            $0.85 $0.85 $1.05 $1.05 
2.0             1.17  1.44  1.92  1.85 
3.0             1.49  2.03  2.79  2.65     http://pe.usps.com/cpim/ftp/manuals/dmm300/Notice123.pdf
3.5             1.81  2.62  3.66  3.45     page 42
Postcard        0.85  0.85  1.05  1.05  


1. Maximum weight limit: 3.5 ounces to all destination                                           http://pe.usps.com/dmmadvisory.asp
countries.
2. Price Groups: 1 is for Canada; 2 is for Mexico; for price groups 3–9,
see the “FCM/M-bag Price Group” column in the Country Listing
for the applicable price group for each destination country.




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