FRONTIER, Pierre  (active 1852-54) engraver, diesinker, San Francisco.
          In partnership with Eugène Deviercy (or Diviercy) as
          Frontier & Deviercy. They engraved their own dies, dies
          for others, and issued their own fractional gold issues.

          C   O   I   N   S

1853-56 Octagonal Gold Quarter Dollars. . . . Breen 7820-7826
(1852)-1854 Round Gold Quarter Dollars. . . . Breen 7831-7844
1852-56 Octagonal Gold Half Dollars . . . . . Breen 7853-7859
1852-53 Round Gold Half Dollars . . . . . . . Breen 7863-7869
1853 Gold Half Dollar Gaime, Guillemot & Co . . .  Breen 7870
(1853)-1856 Gold Octagonal Dollars. . . . . . Breen 7886-7896
1854 Gold Round Dollars . . . . . . . . . . . Breen 7910-7911
1853 Gold Dollar Gaime, Guillemot & Co (engraved by
          Frontier & Deviercy) . . . . . . . . . . . .  Breen 7912
1854 Gold Dollar G.L. [uncertain issurer] (engraved by
          Frontier & Deviercy) . . . . . . . . . . . .  Breen 7913

          N U M I S M A T I C   R E F E R E N C E S

P1  {1916} The Numismatist 29:7 (July 1916) p 329.
S44 {1981} Kagin, p 120.
O12 {1988} Breen 7820-7913 passim, p 641-650.