Possible Clues:

• Person going up quietly in lift sees personalised sign
• Plaque showing war dead, record inscribed
• Office door feature
• Office door fixture
• Metal panel cut and arranged - it's for handle at entrance
• Enamel apt to be unreliable for identification sign
• Christen South American river in brass at the door
• That's called, that's flat, and that's put up
• Office door identifier
• Identifier of a sort