1941. registered letter to Germany, correctly franked 13K, paid with 1 D green of 2nd Provisionals, 2 K brown-carmine and 5 K black (horizontal pair), latter of 1941 Pictorials, tied by two strikes of ”VARAZDIN 4/ 19.XI.41”, old style ”R” label (Cyrillic crossed out, Roman part covered by German censor's ”Geöffnet” banderol), tied at reverse with large ”Geprüft” cachet in red, with additional ”974” numeral marking of German censors and arrival postmark alongside. NB. Used within the first month of new rates published on 1 Nov. 1941.