[Eyeglasses/ optical] Invoices, order forms, correspondence, etc.

Ringbinder with invoices, order forms, copies, etc. related to N.V. Genius, optician, Amstel 210, Amsterdam, 1920s-50s. Documents on stationery with letterheads of E.N.O.T., American Optical Company, W. Smythe & Co, Centraal Distributiebureau van Optische Artikelen, Société Lobex, l'Optique Commerciale, etc. + several documents related to the Stichting "Nederlandsche Vakopleiding voor Opticiëns" + several advertising rulers for optician's use + advertising materials such as brochures for Rodenstock, Metzler + envelopes and unused stationery for J.H. Smit Duyzentkunst & Zn, Hilversum + unwritten invoices for Algemeen Ziekenfonds "Gooi- en Eemland" + invitation to Optica 77, etc.