ATF Special Agent 017 appears to be a very low number.
The provenance might be valuable if the owner was the 17th Special Agent.

ATF became an independent Bureau on July 1, 1972
In 2002, it was transferred to Homeland Security and became officially known as ATFE.

So, if the Special Agent was actually the 17th one, then he must have been with them in 1972.

Nice bit of history.

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David Loomis
RKS# 724
RKCC# CM-061
Molon Labe