If you decide to collect stamps, remember a few tips: 1. While you have a few stamps, use stamp albums to hold and sort them by series and theme. Add and pull out the stamps from your stamp album with tweezers. 2. Cancelled stamps need to be treated preliminarily: remove stamps from envelopes in lukewarm water, dry between sheets of blotting paper, put between the pages of a thick book to straighten. The best way is to remove stamps from envelopes with steam. While...