"Berlin (STETTINER-BHF:) 7 2 72" - single circle postmark, KBHW 106, clear on rated receipt (affidavit of service) to Oranienburg, inside crown / posthorn postmark the "K. Pr. POSTAL SERVICE-EXPED. 4. Stettin. Railway station. Berlin". A rare posting stamp, KBHW valuation 500 points