Commander Gandikota Sri Rama Rao (born on April 6, 1942), a retired Naval officer from Andhra Pradesh, India, has a collection of most unusual stamps(229) made up of silver, gold, embroidery, pearls, wood, DVD, CD Rom, Phonographic record, beads and silk with different shapes and smell of chocolate, cocoa, pineapple and rose, issued by various countries, as on May 10, 2014.