Auction # 2204 ARGENTINA: Special February auction

EXTREMELY RARE DIE PROOF: GJ.396, etc., multiple die proof of values of Centenary of Independence issue (½c, 3c and 12c. with groundwork of crossed lines, partially not adopted) printed in black on paper with glazed front, with another paper overlapping with 3 windows that allow to view the stamps and inscription "Ensayo Preliminar obtenido con piedra y por reproducción fotográfica (procedimiento fotolitográfico)", excellent quality, fantastic!