4th issue. वर्ष 1870 (Typography): एक= Ultramarine (shades of blue, blurred edges of numbers; height of numbers 3 mm). Perforation line 8 1/2 - 11; Exceptionally line 12 1/2 and 13. Watermark: 3तीन ("STEMPEL-MARKEN" - letters inside uninterrupted by lines. Height 24 mm, wider "एम" - 27 to 30 mm). मुद्रण विधि: 1. Circular medallion and numerical face value - PHOTOGRAVURE (ताँबे का छापा मुद्रण) + 2. Pattern background (leaf of tree) - TYPOGRAPHY.
