Both of your revolvers are shown in the 1964 Armi San Marco Catalog.
Your Top Photo:
Revolver Wells Fargo {{1848}} - Cal. 31
The desirable "Wells Fargo" model of the "Baby Dragoon". Very rare and a fine conversation piece of the "Pony Express" days.
Frame and hammer case hardened (no lever) - Barrel octagonal, 4-5-6 inch lengths - Cylinder scene the typical stagecoach hold-up - perfect detail - Caliber .31.
Your Bottom Photo:
Revolver Baby Dragoon {{1848}} - Cal. 31
The celebrated "Baby Dragoon" pocket pistol issued in 1848 in teme
(time) for the gold rush to California. Nice Shooter.
Frame, hammer and lever case hardened - Barrel 4", 6" lengths octagonal - cylinder scene of Indian fight - Caliber .31.
Their Third Type:
Revolver {{Colt Pocket}} 1850 - Cal. 31
1849 Pocket pistol with rare half round barrel, a type eagerly sought after by collectors.
Frame, hammer and lever case hardened - Barrel, half round dragoon style - 4-5-6 inch lengths - Cylinder scene the typical stagecoach hold-up - perfect detail - Caliber .31.
They later added the more common style Pocket with the octagonal barrel: