German Empire Cover 10 Pfennig Reichspost, Lychen Court Mail, 1890 Redirected to Bötzenburg Uckermark

Original antique German Empire postal cover franked with a red 10 Pfennig Deutsche Reichspost stamp. The stamp is cancelled with a Lychen postmark. The cover appears to have been sent as official or administrative correspondence and bears several interesting markings on the reverse, including a cir