15 Kreuzer ochre, wide perforated in mixed franking with 10 Kreuzer blue, close perforated, issue mixed postage from Vienna to Hermannstadt, reverse arrival postmark 17.5.64, cancelled by three times red "RECOMMANDIRT Vienna 14 / 5", the stamps to grip original on the folded letter, the two of them 15 Kreuzer stamps are frontal pasted up, the blue 10 Kreuzer stamp glues reverse and places the registration fee there, properly franked registered cover the second weight rate, exceptional preservation, extremely rare stamps combination, in the Ferchenbauer special catalogue unknown, photo expertize Arnold Goller (2018)