Pittsburgh Steelers Steel Curtain 16x20 Photo on Foamboard Signed by (4) with Joe Greene, Ernie Holmes, Dwight White & L.C Greenwood (JSA COA & PSA Hologram) | Pristine Auction
Pittsburgh Steelers: The NFL's Steel Curtain
Steel Curtain wins vote as NFL's greatest defense
Lot-Art | Pittsburgh Steelers Danbury Mint "Steel Curtain" Figures
Where do Pittsburgh Steelers greats stand on the all-time sack list? - Behind the Steel Curtain