Regent 5704BA, 1890’s style R5704BA-1890 Regent 5704BA, 1900’s style R5704BA-1900 Regent 6001, 1890’s style R6001-1890 Regent 6001, 1900’s style R6001-1900 Regent 6003, 1890’s style R6003-1890 Regent 6003, 1900’s style R6003-1900 Regent Metal Lever 6003, 1890’s style RML6003-1890 Regent Metal Lever 6003, 1900’s style RML6003-1900 Regent PS53 RPS53 Regent Metal Lever PS53 RMLPS53 Regent PS53CU, Copper Union RPS53CU Regent Metal Lever PS53CU, Copper Union RMLPS53CU Regent PS53-3 RPS53-3 Regent PS53CU3, Exposed Copper Union RPS53CU3 Regent Metal Lever PS53CSQ RMLPS53CSQ Regent PS53C2D RPS53C2D Regent PS53C3D RPS53C3D Regent PS53C1 RPS53C1