1830 O-102 R3 Small 0 Capped Bust Half Dollar

Obverse: 1
Reverse: B

There is a group of AU and MS examples, but this die marriage is not that common in the higher grades. A couple of MS65's tops the census, with a smattering of various decent MS and AU coins below them. 
1830, O-102, Small 0, Capped Bust, Half Dollar
1830, O-102, Small 0, Capped Bust, Half Dollar
1830, O-102, Small 0, Capped Bust, Half Dollar
1830, O-102, Small 0, Capped Bust, Half Dollar
Variety Attribution: Obverse-Star 1 is between dentils and 1 mm. from drapery. Stars are sharp. Date is 8 1/4 mm, with tthe 3 a shade low.

Reverse- 50 C. is 1 1/2 mm.  and high. Arrow to A is 3/4 mm. Left side of I centered under T. Top of E in UNITED is lower than T. A small sharp spike protrudes from feather just below juncture of right wing with body.

1830 Leaman-Gunnet Emission Sequence Number for O-102: 6
Overall Number: 318

Top five condition census coins from last 10 years of auction and sale records:
02/07 Heritage (Long Beach)                PCGS MS65
08/10 Heritage (Witham-Boston)          NGC MS64
11/13 Heritage (Newman)                      NGC MS64 CAC
09/08 Heritage (Long Beach)                PCGS MS62
05/08 Heritage (Long Beach)                NGC MS61