see http://support.microsoft.com/kb/941674
if the stamp is not cancelled you can resend it without another stamp
no, nothing can be first edition without a stamp. if you dont have a stamp your not first edition,
Without knowing the date on the stamp, a description and condition, it is impossible to value a stamp.
Yes. that is their purpose, to still be valid.
Yes, it can!
To obtain a VAT refund without a customs stamp, you can typically do so by using a VAT refund service provider at the point of departure. These providers can assist in processing your refund without the need for a customs stamp.
Without knowing which stamp, it's pretty much impossible to value.
A stamp. It can circumnavigate the world without leaving the envelope's corner.
the stamp act
The Stamp ActThe stamp act
You get that stamp by defeating your opponent in card jitsu, without letting him/her winning even once.
In order to help separate the stamps. Without them it would require scissors or a knife. The modern self-stick stamps that are already separated when they are manufactured have jagged edges like perforations strictly for historical reasons.