Blue Ikes and brown Ikes – different types of Eisenhower dollars – have been the darlings of many modern dollar coin collectors since the release of these 2 coins in 1971.
That was the year that the United States Mint released the first dollar coins since the Peace dollar series ceased production in 1935.
However, unlike silver dollars of yesteryear, regular-strike Eisenhower dollars contain no silver at all.
That is where blue Ikes and brown Ikes come in.
Read more: Blue Ikes & Brown Ikes: How Many Were Made? What Are These Eisenhower Dollar Coins Worth?