20 Kopek registered postal card with imprint "Pleskau / 20 kop" with advertising slogan, black hand-stamped imprint, with additional postage Pleskau Mi number 15 A, addressed, cancelled with stamp "PCKOB * K * 30 4 42", the card is overfranked, excellent condition, examined by Krischke and Dr. Schultz, photographic finding Robert Brunel VP (2025) "The condition is flawless".