Lot 50405 – Argentina – 1910 Centenary of Independence 10p, two

Argentina – 1910 Centenary of Independence 10p, two negative matrices on celluloid film of the frame and the center respectively, each with a red painted area around the design and in center for the frame, needed to concentrate the light on the area of design when transferring to the glass. A unique and very striking pair of negative Sperati matrices.