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#1

My understanding is:
TP (or crimped API?), HE, HE-T, HE-T, API, API, API



#2

No 1 is an API with a post war crimped cap design of steel sheet.
WW2 types were threaded and caps were made of aluminum, bakelite or stamped and threaded steel sheet.


#3

I have the same type on a 1945 dated case.