Galvani Watermark from the Grand Imam Yousouf manuscript collection (N'Guigmi, Niger, 2010)   Creator:   Galvani, Andrea Publication Date:   [n.d.] Publisher:   Andrea Galvani Type:   Photograph Source Institution:   SOAS, University of London Subject Keyword:   Watermarks دمغ بعلامة مائية Filigranes Wasserzeichen Andrea Galvani (paper manufacturer) Spatial Coverage:   Europe -- Italy -- Pordenone -- Pordenone Europe -- Italie -- Pordenone -- Pordenone أوروبا -- إيطاليا -- بوردينوني -- بوردينوني Europa -- Italien -- Pordenone -- Pordenone Genre:   Watermarks Galvani Watermark from the Grand Imam Yousouf manuscript collection (N'Guigmi, Niger, 2010)