Special windows

(1) those windows in which the complexity of the muntin pattern or the molding profiles is one of the characteristics of the style and age of the building; or (2) windows having one or more of the following or similar attributes, including but not limited to: (i) Bay or oriel window (ii) Curved glass (iii) Multi-pane sash, i.e., 12 or more panes in a single sash in which a typical pane does not exceed 30 square inches of open (glazed) area (iv) Stained or otherwise crafted glazing for artistic effect (v) Highly decorated (carved or otherwise embellished) sash or frame (vi) Non-rectilinear sash or frame.