Need info on 1851 Clone

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I have in my possession a brass framed 1851 in .36 that was a present form my wife back in 1978.  It is marked on the top flat as "Hy Score Arms Corporation-Brooklyn-NY".  On the left-hand flat is "Euroarms-Brescia Made in Italy".  The cylinder lacks anything other than proof marking of 'PH'.  The quality is somewhat lacking and I have fired it but a couple of times as .376 balls can basically be pressed into the chambers and subsequent loads walk themselves forward.  .380 round ball work better with a bit of shaving but then again I have opted to just hang it on the wall peg.  The one thing I do like about it though is the grip and frame as being closer to the original Colt than the Pietta's I own.  Can anyone please shed some light on this revolver for me.  I'm just curios.  Thanks ahead of time.

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Hy Score was an importer in the 60's and 70's,  the company folded when the owner passed away in 79 or 80.
As you already know the the gun was made by Euroarms formally Armi San Paolo. ( the assets are now Davide Pedersoli & Co. )

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Thank you for the information.