see http://support.microsoft.com/kb/941674
if the stamp is not cancelled you can resend it without another stamp
Without knowing the date on the stamp, a description and condition, it is impossible to value a stamp.
no, nothing can be first edition without a stamp. if you dont have a stamp your not first edition,
Yes, it can!
Yes. that is their purpose, to still be valid.
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
You get that stamp by defeating your opponent in card jitsu, without letting him/her winning even once.
The Stamp ActThe stamp act
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.