WF 125a, 1900 5c Blue Eagle envelope, 10c Frank, 1905 registered entire to Linz, Austria, uprated with 1903 5c Orange and 10c Blue & orange (307, 308), postmarked Chihuahua December 10 and with Chihuahua registry handstamp on front and registry label on reverse, New York registry label over frank, backstamped El Paso (December 12), New York (December 16), and Linz (December 28), very fine, a colorful and well-travelled cover