690 Pfg postal stamp sights, vertical margin pair and corner of the sheet top right on correctly franked external airmail insured letter "1000.- DM" the 2. Weight step with additional services "personally" and "with return receipt" ( = 20, 70 DM) from "ESSLINGEN at the NECKAR / 29.12.99" to Jandia on Fuerteventura / Canary Islands (Spain) and return, there delivery not possible. Complete with the due to that not taken return receipt, reverse arrival and confirmation postmark from "MORRO JABLE / Las Palmas", the post office the hotel facility Monte Sol in Jandia. Very rare and seeming only possibility one correctly franked multiple franking these high permanent issues value!