Mintage:
Circulation strikes: 1,628,059
Proofs: 0

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 1812 Half Dollars were struck at Philadelphia) 

Varieties (10):
Overton 101  
Overton 102  
Overton 103  
Overton 104  
Overton 105  
Overton 106  
Overton 107  
Overton 108  
Overton 109  
Overton 110  

Notes:
The finest example graded by PCGS is a single MS-67.

The finest "1812/1 Small 8" examples graded by PCGS are 2 MS-64's.

The finest "1812/1 Large 8" example graded by PCGS is a single AU-50.

Recent appearances:
See variety listings

Sources and/or recommended reading:
"Early Half Dollar Die Varieties 1794-1836", Third Edition, by Al C. Overton and Don Parsley

"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