Landmark Bridges of India - Error sheetlet

On Aug 17, 2007 India Post released a set of commemorative stamps on Landmark bridges of India. The Four Landmark bridges of India are Howrah Bridge, Mahatma Gandhi Setu, Pamban Bridge and Vidyasagar Setu.

The below Sheetlet has a rare error - Horizontal Imperf ( there is no horizontal perforation).

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