Two 19th century gold and black enamel mourning band rings

Two 19th century gold and black enamel mourning band rings
each with the legend in gothic script IN MEMORY OF, one with chased border, hallmarks for London, 1850; the other with sprung locket compartment on the inside of the band, and engraved ROBERT STANSFIELD, FIELD HOUSE, Bn 5 DECr, 1805, OBt, 19 OCT, 1885., finger size - O. (2)