COLT 1900 Automatic Pistols———-First serial number of each year
Model
Year
Serial No
Model
Year
Serial No
Model
Year
Serial No
1900
1900
1
1900
1901
700
1900
1902
1400
1900
1904
3500
COLT 1900
Automatic Pistols— number of guns produced each year
1900
1900
1456
1900
1901
1694
1900
1902
1124

1900 –Serial number 1 through 200 were test guns for the US ARMY and will be marked with U.S. on the trigger bow and have the inspectors marks JTT and 1900 stamped on grip. The US Navy ordered 250 guns for testing starting at serial number 1001 to 1250.
There was only 1 engraved 1900 manufactured serial number 885.
There a are 7 guns with factory inscriptions.

COLT 1902 Sporting

Automatic Pistols
Number produced each year

Model
Year Number Produced
Model
Year
Number produced
Model
Year
Number
produced
1902
1902
625
1902
1903
1500
1902
1904
1300
1902
1905
1100
1902
1906
1300
1902
1907
1089

There is one engraved 1902 sporting model serial number 4304
There are several inscribed guns known.
There were 175 guns manufacture as clean up of parts in 1908.

There were approximately 7093—- 1902 Sporting Models produced.

COLT 1902 Sporting

Automatic Pistols
First serial number of each year

Model
Year
Serial No
Model
Year
Serial No
Model
Year
Serial No
1902
1902
4275
1902
1903
4901
1902
1904
6401
1902
1905
7701
1902
1906
8801
1902
1907
10101
COLT 1902 Military

Automatic Pistols
First serial number of each year

Model
Year
Serial No
Model
Year
Serial No
Model
Year
Serial No
1902
1902
15000
1902
1903
14901
1902
1904
13701
1902
1905
12901
1902
1906
12301
1902

1907
*

11100
15201
30200
1902
1908


38001

1902
1909
31901
1902
1910
32701
1902
1911
33301
1902
1912
34101
1902
1913
35101
1902
1914
36201
1902
1915
37301
1902
1916
38501
1902
1917
39300
40700
**
1902
1918
39300
40700
**
1902
1919
39300
40700
**
1902
1920

40701
1902
1921
40701
41101
1922
41401
1902
1923
41801
1902
1924
42001
1902
1925
42201
1902
1926
42601
1902
1927
43001
1902
1928
43201

* Serial numbers ranges change during this year
** Production of guns in this serial range very erratic during this period .
800 Guns manufactured for Mexican government with Ivory grips and Mexican eagle and snake stamped on top of the slide.
200 Guns for US Government Contract starting at 15001 through 15201
There were 20 pistols that are known to be engraved some serial as follows 30458 , 31116, 31521, 31593, 31613, 34737, 34738 , 34739.
There are 19 Known guns with inscriptions one that reads ( Illinois Orive)
There were more than a dozen guns shipped with finishes other than blue including nickel, silver and gold washed .

COLT 1902 Military

Automatic Pistols
Number produced each year

Model
Year
No
shipped
Model
Year
No
shipped
Model
Year
No
shipped
1902
1902
200
1903
200
1902
1904
200
1902
1905
600
1906
1200
1902
1907
1499
1902
1908
1000
1909
900
1902
1910
600
1902
1911
800
1912
900
1902
1913
1200
1902
1914
1100
1915
1200
1902
1916
800
1902
1917
467
1918
466
1902
1919
499
1902
1920
400
1921
300
1902
1922
400
1902
1923
200
1924
200
1902
1925
400
1902
1926
400
1927
210
1902
1928
76

There were 25 guns as part of parts clean up in early 1929

Recommended books on this subject:
A HISTORY OF THE COLT REVOLVER AND OTHER FIREARMS by Haven And Belden
COLT 38 AUTOMATICS by Douglas Sheldon
COLT 45 SERVICE PISTOLS by Charles W Clawson