1820 O-107 R5, No Knob 2, Capped Bust Half Dollar

Obverse: 5 (Second Marriage)
Reverse: F (Second Marriage, used on 1821 O-103)
This die marriage was used in 1821.
Tough in all grades and commanding hefty premiums, usually the decent examples end up in the hands of advanced collectors. definitely a solid R5.
1820, O-107, Square Base 2, Large Date, No Knob, Capped Bust Half Dollar
1820, O-107, Square Base 2, Large Date, No Knob, Capped Bust Half Dollar
1820, O-107, Square Base 2, Large Date, No Knob, Capped Bust Half Dollar
1820, O-107, Square Base 2, Large Date, No Knob, Capped Bust Half Dollar
Variety Attribution: Obverse-Stars large and close to milling. Date is 8 1/2 mm., 2 has a large curled top with no knob and a square base. Bold center dot on neck.

Reverse- 50C is 2 mm. and low. Arrow to A is 1 mm.I is centered under T. All A's have no sign of lower right serifs and no left serifs on E's at all.

1821 Leaman-Gunnet Emission Sequence Number for O-107: 4 (in 1821)
Overall Number: 136

Top five condition census coins from last 10 years of auction and sale records:
04/09 Heritage (CSNS-Cincinnati)         NGC MS66
04/10 Heritage (Frederick-CSNS)          PCGS AU58
07/08 Downey (Meyer-Sel Rarities)       NGC AU58
08/16 Heritage (ANA-Anaheim)              NGC AU53CAC
08/10 Heritage (Witham-Boston)            PCGS XF40