Republic India, 2004, Bi-metal 10 Rupees, E.X.P.T. L., Brahmos Missile Commemorative coin, Mumbai Mint, EXPTL - Experimental coin, with Diamond mint mark for Mumbai Mint, EXPTL struck on the coin, EXPTL stamp is raised in relief and not incused, graded and slabbed by NGC as UNC Details, Rim Damage, Extremely Rare.

Note: The Bombay Mint Mark (Diamond MM) in this coin is located in a very peculiar position under the Missile design. This coin was not issued for public circulation. This issue was proposed to commemorate the signing of the production of the Brahmos Missile's agreement between India and Russia.