Auction 265th - 273rd - Day 4

1864: Arms 12 c. blue, a used example with huge margins on 1864 cover endorsed 'via Buenos Aires' to Rosario de Santa Fé, Argentina tied by oval framed "Admon de Correos / Montevideo" datestamp (March 9, 1864) in black. "Correos de Buenos Aires" transit cds (March 13) in black below. Slight mark on adhesive and the cover with file folds but an exceptionally early usage (Scott listing of issue date is erroneous) with the issue definitely released in March, this being the earliest cover this descreiber has seen.