Mintage:
Circulation strikes: 1,900,156
Proofs: 1,306,579

Designer: Frank Gasparro, the reverse based on a design by Michael Collins and James Cooper

Diameter: ±38.5 millimeters

Metal Content:
Outer layers - ±80% Silver, ±20% Other
Center - ±79% Copper, ±21% Nickel

Weight: ±380 grains (±24.6 grams)

Edge: Reeded

Mintmark: "S" (for San Francisco, California) between Eisenhower's head and the date

Varieties:

Notes:
The 1974-S Eisenhower Dollar coin is found in two versions: Copper-Nickel Clad and 40% Silver.  The Clad version appeared only in Proof sets of the year.  The Silver "Ike" was available in both Uncirculated and Proof formats, but only as special-order items.  Uncirculated Silver 1974-S Eisenhower Dollars are known as "Blue Ikes" because of the blue envelope in which they were sold.  Silver Proofs are known as "Brown Ikes" after their own special packaging.  Locating any 1974-S Eisenhower Dollar requires extra effort because none were released into general circulation.

The finest examples graded by PCGS are 235 MS-68's.

The finest Proof examples graded by PCGS are 2 PR-69's. The finest Proof Cameo examples graded by PCGS are 12 PRCA-69's. The finest Proof Deep Cameo examples graded by PCGS are 10 PRDC-70's.

Significant examples:
Gem Proof.  Ex - Ira & Larry Goldberg Coin & Collectibles' "The Fairchild Family Trust Collection Sale", May 28-30, 2001, Lot 1066, illustrated, sold for $2,300.00

Sources and/or recommended reading:
"Walter Breen's Complete Encyclopedia of U.S. and Colonial Coins" by Walter Breen

"The PCGS Population Report, April 2003" by The Professional Coin Grading Service