...complete model list, known so far, is:
1851 Navy, Oval Trigger guard Revolver, Cal. .36
1851 Navy, Square back Trigger guard Revolver, Cal. .36 *@
1851 Navy, “Sheriff’s Model” Oval Trigger guard Revolver, Cal. .36 *
1851 Navy, “Sheriff’s Model” Square back Trigger guard Revolver, Cal. .36...