5 Mark numeral of value in the oval, issue 1879, proof, perforated L 11 1 / 2, having bright colours copy in unused condition, right above backed and shows tooth tip supplements, in the left upper corner area thin and a minimal wrinkles right besides the crown, the small paper fault left besides the Sh. In the perforation is a fallen out paper inclusion owed, produced in an edition from 300 copies, signed W. Engel, Richter and photo expertize Oliver Estelmann BPP (2024) \"a rare stamp. \", Michel 1.800.- - hardly once offered rarity! Almost all examples of this rare stamp shows in varying degrees defects respectively are repaired.