I am not sure whether this is appropriate on this forum....if not please delete it.
Model 1860 Colt Army revolver (early 1863)...Model 1858 New Model Remington revolver.
Inspector's acceptance cartouche on the left grip of the Remington , "OWA", for Orville W. Ainsworth.( U.S. Government Inspector for many different arms, 1831-1870)
Model 1850 Foot Officers sword that is perhaps relevant to the officiers that carried these pistols.