One of the most exciting ways to collect stamp is to process them while they are still attached to envelopes. It's a little like detective work, and doing so is pretty fun and exciting. However, if you are careless in processing your stamps from the envelopes, you could very well damage them. And you know what they say, damaged stamps are worthless stamps.
If you are one of the countless stamp collectors that derive much pleasure from soaking and mounting stamps yourself, you will want to learn the proper way of processing stamps.
First of all, you have to collect all the envelopes with their stamps attached. Some of this mail will come from your mailbox. The others you can collect form neighbors and friends