Just one depending on the weight. If it is over an ounce it will be two or more. Just go to your local postage office and ask.
maybe 2 0r 3 stamps
what the price to mail letter to
3 stamps!
About one liberty stamp :)
you need ten stamps actually i don't know
3 stamps.
2
The number of stamps that you need to send a letter from Australia to London, will depend with the value of one stamp.
$1.10 worth of stamps, this may change.
one
40
1