Ah, Hell. (All as best as I recall)
10 Military & Police K frame
11 Same in .38 S&W caliber
12 Same with alloy frame
13 K frame .357 with fixed sights
14 K frame target grade .38
15 2 & 4” target grade .38 K frame
16 Target grade .32 K frame
17 Target grade .22 K frame
18 4” Target grade .22 K frame
19 Target grade .357 K frame
20 N frame .38
21 N frame .44 Special
22 N frame .45
23 Target N frame .38
24 target N frame .44 Special
25 Target N frame .45
26 Same with lighter barrel
27 Target grade N frame .357
28 Same less deluxe
29 Target grade N frame .44 Mag
30 J .32
31 J .32
32 J .32
33 J .38 S&W
34 J frame .22
35 Target .22
36 J frame .38
37 Same in alloy
38 Variation of above
39 9mm Auto
40 J frame hammerless .38
41 .22 Auto
42 Alloy of M40
43 Alloy J .22
44 None I can think of
45 K frame .22 (very rare)
46 None I can recall
47 None
48 K frame .22 Mag
49 J frame .38
50 Target J .38 Snub
51 J .22 Mag
52 None
53 K frame .22 (Mag or Jet)
54 None
55 None
56 Military J .38 (Very rare, most destroyed)
57 Target N frame .41 Mag
58 Same fixed sights
59 Hi-cap 9mm Auto
(60-68 are stainless)
60 J .38
61 None
62 None
63 J .22
64 K .38
65 K .357
66 Target grade K .357
67 Target 4” .38
68 Same 6” (Uncommon, limited for cop use)
Anything with 3-digits I don’t know. Many variations on the above over the years (19-1, 19-2, 19-3 etc). This is a very basic guide. I'm sure someone will correct some errors I made.
Now don’t bother me for a while. I’m tired.