Possible Clues:

• Architectural feature to leave you cold, it is reported
• Painted or sculpted band running round under the ceiling
• Cockney trios said to form fancy band
• Sculpture done for the Parthenon
• Horizontal band on a wall
• Ornamental band
• Call for temporary halt in painting
• Sculptured band between architrave and cornice
• Decorative wall strip
• On radio, shout by cop with gun provides picture