17761976S ONE DOLLAR 
COPPERNICKEL
Mintage:
Circulation strikes: 0
Proofs: 6,995,180
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: "S" (for San
Francisco, CA) between Eisenhower's head and the date

Varieties:
Bold lettering on Reverse
Delicate lettering on Reverse
Notes:
The finest Type 1 Proof examples graded
by PCGS are 26 PR68's. The finest Type 1 Proof Cameo examples graded
by PCGS are 13 PRCA69's. The finest Type 1 Proof Deep Cameo examples graded
by PCGS are 298 PRDC69's.
The finest Type 2 Proof example graded
by PCGS are 1 PR69. The finest Type 2 Proof Cameo examples graded
by PCGS are 17 PRCA69's. The finest Type 2 Proof Deep Cameo examples graded
by PCGS are 466 PRDC69'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
