A very rich silver/copper "half-breed" from Michigans Keweenaw Peninsula or Copper Country. This piece is exceptional, in that, most of the specimen is silver and not copper. The silver percentage in most 'half-breeds" is usually much lower. Three-quarters of the front of the specimen is silver, while the back is mostly copper, with silver visible on the left fringe and top of the piece! weight: 18 grams. 3.0 x 1.7 x 1.0 cm