1868, 20 C blue 'Steamship', lower right sheet corner block of 16 (4x4) with broad margins at bottom and right, full original gum, except two stamps with tiny hinge remnants in VF MINT NEVER HINGED condition, signed Diena. Scarce multiple and exhibition showpiece! 2019 SG CV: £1,200 (catalog values as 16 hinged singles). Unpriced as MNH! (Image)