Lot 154
Opening: 1.000 €
1857, blued paper, PLATEÂ PROOFS:Â 6 d. black, re-joined blocks of 15 and 6 (pos. 157-187), almost complete margins and small sheet margin at left; the bottom row with vertical creases (invisible on front), otherwise fine and scarce. Provenance: Joseph Hackmey (2009)