The 1878 silver dollar coin is a valuable collectible item for coin collectors. It was minted in the United States in 1878 and is composed of 90% silver and 10% copper. The coin features Lady Liberty on the obverse and an eagle on the reverse. It is considered to be a rare coin and is highly sought after by collectors.The 1878 silver dollar coin was minted in three varieties: the Morgan dollar, the Seated Liberty dollar, and the Trade dollar. The Morgan dollar was designed by George T. Morgan and was the first silver dollar minted since the Seated Liberty dollar was discontinued in 1873. The Seated Liberty dollar was designed by Christian Gobrecht and was minted from 1840 to 1873. The Trade dollar was designed by William Barber and was minted from 1873 to 1885.The 1878 silver dollar coin is a valuable collectible item. It is estimated that there are only about 1.2 million coins in existence. The value of the coin depends on its condition and the variety. A Morgan dollar in good condition can be worth up to $1,000, while a Seated Liberty dollar in good condition can be worth up to $2,000. The Trade dollar is the rarest of the three varieties and can be worth up to $10,000 in good condition.The 1878 silver dollar coin is a valuable collectible item for coin collectors. It is a rare coin and its value depends on its condition and variety. Collectors should be aware of the different varieties and their value before purchasing a coin. With proper care and maintenance, the 1878 silver dollar coin can be a valuable addition to any collection.