Mintage:
Circulation strikes: 5,873,660
Proofs: est. 10

Designer: John Reich

Diameter: ±32-33 millimeters

Metal content:
Silver - 89.2%
Copper - 10.8%

Weight:  208 grains (13.48 grams)

Edge: Lettered ("FIFTY CENTS OR HALF A DOLLAR")

Mintmark: None (all 1831 Half Dollars were struck at the Philadelphia, Pennsylvania Mint)

Images courtesy of a Mid-Atlantic collector

Varieties:
Overton 101 - 
Overton 102 - 
Overton 103 - 
Overton 104 - 
Overton 105 - 
Overton 106 - 
Overton 107 - 
Overton 108 - 
Overton 109 - 
Overton 110 - 
Overton 111 - 
Overton 112 - 
Overton 113 - 
Overton 114 - 
Overton 115 - 
Overton 116 -
Overton 117 -
Overton 118 - 
Overton 119 -

Recent appearances:
See variety listings

PCGS MS-65.  Ex - Ira & Larry Goldberg Coin & Collectibles' "The Fairchild Family Trust Collection Sale", May 28-30, 2001, Lot 704, illustrated, sold for $3,910.00

Notes:
The finest Uncirculated examples graded by PCGS are 4 MS-66's.

The finest Proof example graded by PCGS is a single PR-64.

Sources and/or recommended reading:
Al C. Overton, "Early Half Dollar Varieties 1794-1836"

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