A fine Colombia Registered envelope sent 15 April 1926 Barranquilla to Vienna Austria. via New York. franked 16c (Treble Rate 8+4+4) and 8c registration (5 x 4c and 4 x 1c provisional. all perf 13 1/2 x 10) with UK type registration label. first used in Colombia late 1925. Attractive and scarce usage. Ex Brian Moorhouse.