Something good may have come of all this. In searching all these inns, Google brought forth new sources that had not surfaced in earlier attempts. In one, which included several photos and plans, the dining room made its' appearance. Further, Larry Paul was able to ferret out information indicating Onandaga Pottery/Syracuse China supplied the ceramics. Since Statler went with an established quality firm, it seems more likely that the silver was also provided by H&E (through ISCo), and we have seen the mark on this item used in commercial services before. Not a bankable conclusion, but at least a start.