1859, 6 baj. on green, two copies, one with large margins, the other one slightly cut into at left, otherwise large margins with part of sheet margin at top and part of neighbour stamp at bottom, tied by clear grid, with adjacent c.d.s. "FERRARA 25 FEB. 60" to entire letter to Venice. Some minor ink corrosion in the address, still very fine and attractive. An extremely rare letter; just 4 double frankings (for comparison. 28 single frankings) have been recorded, according to the certificate Colla (1993) this is the finest existing. Signed Alberto Diena with certificate (1960)
