Most of the modern derringers do not have public data available. We would need make and model to get you in the ballpark of dates.
What kind of shells do you use for a 32 cal 32.auto
It it is the proper ammunition and the maker does not prohibit it in the owner's manual, yes.
@ 1966
Your derringer was made in the 1960s and 70s.
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manufacturing
The Hi-Standard Derringer D-100 with serial number 1270787 was made in 1975. Hi-Standard produced the D-100 model from the early 1970s until the mid-1980s, and the serial number can help pinpoint its production year within that range. For exact dating, consulting a Hi-Standard reference guide or database would provide confirmation.
$75
32+d
1906
No published data
25-100 or so