These beauties are hand cast..and the quality shows! Matching vent covers (shown in these pictures) are also available. They are available with or without dampers.

Bell foundry (burnished finish)
    bell foundry closeup #1
    bell foundry closeup #2
    bell foundry closeup #3
    bell foundry closeup #4
    bell foundry closeup #5
Bell foundry in brushed nickel
Bell foundry (oil rubbed bronze)
    bell foundry closeup #1
    bell foundry closeup #2
    bell foundry closeup #3

example of metal finishes
examples of the painted finishes

video: attaching a return to a wall
video: cold air return terminology
video: returns in high traffic areas

s&h: 6%, but at least $11.95