10 penny \"values only for franking by the postal service\", dark carmine red, overprint flaw III \"overprint bar vertical divided and break through at in Gdansk\" (field 43, plate I), impeccable unused, expertized Gamper and photo expertize Gruber BPP: \"genuine and immaculate\", Michel in unused condition not listed, scarce combination the better colour variety with the rarely overprint flaw.