Lot 50518 – German States, Saxony – 1850 3pf, master negative of

German States, Saxony – 1850 3pf, master negative of this famous value with retouches, this being the basis to produce the glass support cliché. A photolithography negative on film showing static cancellation, painted dark around the stamp design to concentrate the light better, dated “8/41” and with accompanying technical specifications at top and base. One of the two recorded matrices in private hands.