It symbolizes the impure, solvent and unfortunate circumstances. If we are walking through the mud and we fear getting dirty, then it indicates fear that our secrets are discovered. If walking on the mud is very difficult for us, then that exposes our excessive shyness.

…Dreaming of some kind of seal, other than a postage stamp, is usually an announcement that certain affairs you’re handling will have the success you expect. Dreaming of postage stamps is a sign that the dreamer’s life is governed by order, discipline and that everything for him is systematic; therefore is likely that the dreamer successes in his endeavors. Dreaming of using expired stamps and is a sign that indicates that you’re trying to commit fraud. Dreaming of getting stamps is a sign that indicates you’ll get some profits that will improve your life or you’ll be congratulated for something….