Armoured breast plate ID please

[A Senefelder]

There are remnants of the studs on the inside of the armour for both the

Ken my apologies I missed this part or your OP. Please ignore my first post.

The small residual peascod, somewhat ragged outer edges seen where the neck and arm openings are rolled ( i'm guessing over a heavy wire or shaped iron round stock ) and the straight break of the neck line ( meant to act as a gorget would thus obviating the need for one ) all indicate as you surmised 17th century date. I've owned several 17th c. breast plates over the years ( pics of the last one attached ) and all shared these features. The shape of the residual peascod can vary a bit. Given the point of purchase, an ECW attributation in natural to assume but English manufacture is not. The English imported large quantites of continental armour from a Europe glutted with it from The 30 Years War so it is an either or as far as point of manufacture.