Rare very decent example of difficult stamp with issue prone glazed surface – This example is whiter than typical bluish paper possibly relating to earliest of issue?! – Recent (2018) BPA certificate stating ‘various minor surface abrasions’ – Genuine OPT type O4 dimensions are SERVICE 20mm x 3mm STATE 22mm x 3mm (Stamps of India Cooper J., F.R.G.S.: pp178 : 1968 3rd Ed. p.146)
Overall sound quite fresh condition few minor surface abrasions vertical upper fold affecting surface not mentioned on certificate