Ganga Singhji, Gold ½ Mohur, Proof, AD 1937, "50th Anniversary Reign ",  Obv: Portrait of  Maharajah Ganga Singh Ganga Singh, Hindi letters written above as "maharajadiraj sri ganga singh ji bahadur", Rev: raja sri on top and bikanir at bottom, inner circle of half mohur ganga saahi 1994, slabbed and graded by NGC as PF-63, Extremely Rare.