Mintage:
Circulation strikes: 295,046,978
Proofs: 1,863,344 (Special Mint Set)

Designer: Obverse by Gilroy Roberts; reverse by Frank Gasparro

Diameter: ±31 millimeters

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

Weight: ±178 grains (±11.5 grams)

Edge: Reeded

Mintmark: None (for Philadelphia, PA)
left of the stem of the olive branch on the reverse

Image courtesy of 

Varieties:

Notes:

The finest Uncirculated examples graded by PCGS are 10 MS-67's.

The finest Uncirculated SMS examples graded by PCGS are 21 MS-68's.

The finest Uncirculated Cameo SMS examples graded by PCGS are 18 MS-68's.

The finest Uncirculated Deep Cameo SMS examples graded by PCGS are 6 MS-68's.

Sources and/or recommended reading:
"The PCGS Population Report, April 2003" by The Professional Coin Grading Service