1/2 Sgr. orange oxidized leftly below a little touched copy as a rare single franking on local cover of "374 ELBERFELD 6/4 (1857)", inside and back traces of age. Local covers could HK (Horst Krause), Michel 600.-, only then are signedly arranged to be free with 1/2 Sgr. if the addressee collected the cover from the postoffice itself