Possible Clues:

• Seen quite clearly at the Capitol, at least fifty were involved in a coup.
• Column holding aloft a rounded vault
• Dome in a roof
• A couple almost reconstructed dome
• Round top of trophy, see revolving article
• Carbonated drink bottles finished round roof
• Copper bottom cut from freezing dome
• Breaking up coal for the furnace
• Trophy's displayed over Los Angeles Dome
• Copper on front of short polar dome