Argentina – 1910 Centenary of Independence 10p & 20p, group of eight items including two 10p unique negative matrices on film of the center and the frame, both with red painted area around the design and also in center for the frame, this with the purpose of not diffusing the light laterally when transposed to the glass; the other six being the 20c displaying the area of the design surrounding the portrait of General San Martín, with three glass support clichés (one cracked) with annotations about the weak intensity of the printing (« voilà très léger », « léger voilà », etc), one dated in Feb.-41 (which seems to be. later attempt after 1935), cliché on celluloid dated June 1935 as the date he « issued » the reproduction, one exposure trial on photographic paper and one finished blue printing on wove paper, a unique and impressive group; the only reported clichés before were just those for the 20p in the B.P.A. collection.