RARE First type Colt deringer, third model, cal 41 short rimfire

RARE First type Colt deringer, third model, cal 41 short rimfire. Flayderman P 105 item 5B 159

The approx first 2000 made out of 48000 had a thick bolster undr the frame , holding the barrel screw. 
The first type early model are numbered betweeen approx 1 to 200, 

The frist type late model are numbered between approx 200 and 2000. 
This is a late model, serialnumber 1371.  These quote 4 times more expensive then the standard model. 

Has the high spur hammer, , adress is all there, grips are fine, no damage, pitting inthe bre, works perfect, overall medium grey and brass has not been cleaned.  Truly a very hard colt deringer to be found.