The discussion revolves around determining the value of a collection of Soviet stamps from 1930-1991. To assess their worth, it's recommended to use a Scott's Catalogue, which provides catalog numbers and images for easy reference. Understanding how to grade stamps is crucial, as the value significantly depends on their condition. Participants emphasize the importance of proper handling, such as avoiding licking stamps and using techniques like soaking to remove them from envelopes without damaging their quality. There is a consensus that improper cleaning can drastically reduce a stamp's value, similar to the treatment of coins and antiques. The conversation also touches on personal experiences with collecting and the emotional attachment to collections, highlighting the importance of preserving them properly.