altar altarpiece apple apple (possible) Austria Belgium bible book cover book of hours bronze doors Bulgaria capital Catalonia chalice chess piece choir stall citron citron (possible) Constantinople cornice cross England engraving fig fig (possible) Flanders France fresco frieze Germany gilded bronze tile glass bowl glazed terracotta gold glass golden apple grape (possible) grapes Hungary Italy ivory box ivory engraving ivory plaque mango manuscript marble relief mosaic nave capital Netherlands palm panel plaque plinth pane pomegranate portal lintel relief print psalter relief sculpture retable roll Russia sarcophagus Spain stained glass window Switzerland Syria triptych Turkey tympanum unidentified unidentified round vellum folio wood carving