M1911 .45 Ammo WW I

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Bought a M1911 some months ago and recently recieved by the dealer who arranged the whole deal another package with mentioning that he forgot to add those, they would belong to the M1911..

Well, there were 44 .45 ACP in the package:
Attachment 27360

Found 4 different manufacturers among them, those are as follows:
Attachment 27361Attachment 27362Attachment 27363Attachment 27364
I could identify the 'W' as 'Winchester' and the 'REM UMC' as 'Remington Union Metallic Cardtridge', but what about the other two? Any idea about those? Didn't check every stamp but most are '17 and '18 marked.

And someone any idea how rare those are?

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