The Barber design. The '8' in the date is over a '1' caused by the date being initially started too far to the right.
Only 3 examples are known as follows:
1) Doughty 4/1891, Reed-Durham Museum (P259) – ICG65 dark tone, to view, click here.
2) Maris 6/1886, Garrett-JHU, Garrett I, Auction 89, D. Novoselsky as PCGS64, Kagins, Superior 7/03, ANR 12/03, Queller-Heritage 1/09 as NGC65, Virginia collection-Heritage 1/17 FUN - PCGS64, illustrated above but the coin appears to have been dipped
3) Superior 6/81, Auction 82, Bass-HWBRF, B/M 5/99, southern collection as PCGS60, Simpson - Heritage 9/20 – PCGS62, Pollock plate
This design was also struck in copper J1536/P1704 with only 4 known.
For pedigree information on this and all 1877 half dollars, click here.
A complete reverse die trial in lead JA1877-3/P3425 is also known.
Photo courtesy of Saul Teichman.