Los 1909
Tierra del Fuego 1891, Julio Popper's private mail stamp issue: Colour proofs 10 Centavos orange, miniature sheets of 4, perforated 11½, at top inscription "PRUEBAS EN COLOR DE LAS PREMERAS ESTAMPILLAS DE LA TIERRA DEL FUEGO..:", unused resp. the stamps mint never hinged, partly strengthened by hinges, small marginal imperfections, rare
