Mintage:
Circulation strikes: 117,337,000
Proofs: 4

Designer: Obverse by Frank Gasparro; Reverse by Dennis R. Williams

Diameter: ±38.5 millimeters

Metal Content:
Outer layers - ±75% Copper, ±25% Nickel
Center - 100% Copper

Weight: ±350 grains (±22.7 grams)

Edge: Reeded

Mintmark: None (for Philadelphia, PA) between Eisenhower's head and the date

Varieties:
Bold lettering on Reverse
Delicate lettering on Reverse

Notes:
Four three-piece sets (Quarter Dollar, Half Dollar, and Dollar) were struck as Proofs but without mintmarks.  One set went to then-President Gerald Ford, another to the American Revolution Bicentennial Commission administrator, John W. Warner, another to Treasury Secretary William E. Simon, and the other to Gerald Ford's appointment secretary, Anne L. Armstrong.

In 1977, a Proof Dollar without mintmark was found in a Washington, DC cash register and later sold by Devonshire Galleries.

The finest Type 1 examples graded by PCGS are 17 MS-66's.

The finest Type 2 examples graded by PCGS are 6 MS-67's.

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

"Coin Clinic" by Alan Herbert, NUMISMATIC NEWS, October 5, 1999, Krause Publications, Iola, WI, p. 38 (see also August 27, 1974 front page of NUMISMATIC NEWS).

"Where are they now?" by Summer Douglass, COIN WORLD, September 10, 2001, page 46