Pic 1: 1821 50C Overton 101, PCGS VF25
(Image courtesy of PCGS CoinFacts)
Pic 2: 1821 O-101, AU50 (Image courtesy of BHNC #228)
Obv. 1 Star Positions: [S7-1(2)_S8(0)_S13(0)_S1(4)]
Date is 8.0 mm. Center dot on neck. Star 13 is 0.5 mm. from curl. On high grade specimens, clasp line doubling is visible between 4:00 and 5:00.
Rev. A Scroll Diagnostics: [IT+1, BEM(1.5, -1)]
50 C. is 2.0 mm. Some specimens show a die lump in upper loop of first S in STATES. Spike on right wing opposite A3. Die crack from below leaves to top of UNITED STATE. Center dot between crossbars 4 and 5. A-A is 0.75 mm.
Pics 3-4: 1821 O-101.3, AU50 (Images courtesy of BHNC #228)
Pics 5-6: 1821 O-101.4, NGC MS65 (Images courtesy of Heritage Auctions)
Bust Half Nut Club Die State Progressions:
o 101.1 NO DIE CRACKS: No die lump rev in first S of STATES [R4].
o 101.2 Die crack rev below olive leaves to top of UNITED STATE [R3].
o 101.3 Die lump rev in first S of STATES [R1].
o 101.4 Add'l die crack rev at top of RICA [R1].