WF 17, 1885 12c Green Hidalgo envelope, 20c on 25c Frank, 1892 entire to Krefeld, Germany uprated with 3c and 10c Vermilion and 5c Ultramarine Numerals, all tied by Zacatecas datestamps, certificado etiquette and black boxed certified handstamp, backstamped Krefeld August 4, light postal wear, still fine and attractive