Tonga 1892 2d black plate proof, SG11Tonga 1892 2d plate proof in black on vertically laid paper, imperforate horizontal strip of 3, SG11. A fine quality strip of this rare printer's plate proof with large to mostly very large margins (reduced sheet margin at foot). The right stamp has a light vertical crease which does not affect overall fine appearance. A rare proof, particularly in this form, with the final issued stamp appearing in olive colour. BUY NOW: Order online, by phone +44