When deciding how old your case is, you need to start with the handle, then the style of the case
including the hardware. This is a bit of a quick reference, hope it helps.
** note ** just because a set is in an old case, it doesn't mean the set is that age.
click on each picture for more information

20a 21at 22at 36at 39at
1920s
1920s
1920s
1920s
1930s
         
23at 24at 25at 26at 38at
30s/40s
30s/40s
replacement handle
replacement handle
replacement handle
         
27at 29at 30at 32at 31at
30s/40s
30s/40s
30s/40s
30s/40s
1940s
         
33at 34at 35at 37at 41at
1940s
1940s
1950s
1950s
50s/60s
         
42at 40at 43at 44at 45at
1960s
1970s
modern
modern
modern
         
 
factry
logo

2011