Government of India introduced the most valuable coin ever India have
seen in its history for a denomination of Rs. 1000. Till then coin for
Rs. 150 was the most valuable one issued to commemorate the 150 years of
Income Tax Department of India. Rs. 1000 coin was issued to commemorate
1000 years of a temple in Tamilnadu. According to the sources the coin
weighs 35 gm, and it contains 80% of silver and 20% of copper other than
from the normal 50% of silver and have a perimeter of 4.4 cm. The coin
was issued by the Mumbai Mint.