For ages and ages, years in fact, have intended to add an appendix to my “cornerblockology” thread https://maestronet.com/forum/index.php?/topic/328919-violin-id/&page=2&tab=comments#comment-594080 which is largely centred on the distinction between Mittenwald and Markneukirchen. to include the (also good quality) Mirecourt makers of the late 19th & early 20th, C.   This French method is basically a sub-group of variety No. 3, built on back, except it is “built on back