no reason
do you need airmail stamps put on letters from australia to england
yes
That is what stamps are for, to pay postage. In the US you buy postage stamps and put them on mail to any other country in the world.
There is no hidden code here, it just means he wasn't paying attention and could have been in a rush when he put the stamps on the envelope.
british stamps
it is the collection of stamps & used in posting letters.
Yes, they needed them for letters.
Yes
No, stamps on letters can be quite different, they differ in two main ways, the value of the stamp, each value may be a different colour and/or design, and the country producing the stamps will have it's own unique design from others countries.
I mail my letters with 5 cent stamps from the 60's.
Stamps that represent a tax put in place but the state of which it is sold. Most stamps are transfered by means of heat.
no u cant.!