30 Kop. Postal stamp with red one-line hand stamp overprint \"Pleskau\" from left at the bottom to the right above, corner margin piece top right as a single franking on properly franked letter from \"PSKOW -8 8.41\" (red), to the occupation Pleskaus received all articles of mail, the in mailboxes found were, this single line cancel like here in red or violet, on order before transport, there are only a few entire pieces have been preserved, so they are very rare, signed Dr. Schultz and photo expertize Krischke BPP: \"the condition is perfect\", Michel 5.000.- - a piece of dream of this rarity!