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Strange 6Pdr 57x303R Head Stamp

imaokie2000

Well-Known Member
I had a US 6Pdr 57x303R that had a thick layer of clear lacquer that turned brown and I decided to clean it off. When I did, I notice these strange markings. They kind of look Japanese... What do you think?

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Some of them look like the stamp bounced and struck next to the first strike. What makes you think it's US? Most US stuff has WNY or REM-UMC etc. around the head.
 
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Some of them look like the stamp bounced and struck next to the first strike. What makes you think it's US? Most US stuff has WNY or REM-UMC etc. around the head.

Don't know what country. I bought it several years ago, thinking it was prolly a Winchester. I couldn't make out the head stamp due to a thick coat of lacquer. When I compare it to a Winchester case, it has the same primer, but it has the same primer some of my British cases have also. I agree, it does look to be double struck.
 
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