Hi Christopher Sorry for the delay, I was out of touch for the day. The label is Lars P Grinager, sometimes spelled Grinacher. As per William Henley - He worked in Brandbo Norway circa 1880-1892
Hi Jason I don't know any shops personally but there is a violin shop in Edmonton called called: P. J. Tan Violins 3346 Parsons Rd NW, Edmonton, AB T6N 1B5, Canada pjtanviolinshop.com +1 780-438-4310
Hi Fay I can't tell you much given the lack of supplied information. Lewis and Son and Norlin were subsidiaries of CMI, Chicago Musical Instruments. They imported student grade instruments from Germany
Hi. I assume your guitar is a DR-28 Sigma by Martin guitar made from 1970 until 2007 and not a Sigma produced by AMI Germany (made in China) or a Sigma distributed by St. Louis Music Corp. Unfortunatly
I checked online about King upright pianos. I don't see them in the Blue Book which lists most pianos, but I found that the King Piano Company was founded by Arthur J. King in Sheboygan, WI in 1901.