The "Steel Curtain" was the nickname for the defensive line of the 1970s Pittsburgh Steelers. The line was the backbone of the Steelers dynasty, which won four Super Bowls (IX, X, XIII, and XIV) in six years.

The Steel Curtain included:

No. 75 "Mean" Joe Greene – defensive tackle 1969–1981, 4-time Super Bowl champion (IX, X, XIII, XIV), 10-time Pro Bowl selection (1969–1976, 1978, 1979), 2-time NFL Defensive Player of the Year (1972, 1974), NFL 1970s All-Decade Team, Pro Football Hall of Fame, Pittsburgh Steelers All-Time Team

No. 68 L. C. Greenwood – defensive end 1969–1981, 4-time Super Bowl champion (IX, X, XIII, XIV), 6-time Pro Bowl (1973–1976, 1978, 1979), NFL 1970s All-Decade Team, Pittsburgh Steelers All-Time Team

No. 63 Ernie Holmes – defensive tackle 1972–1977, 2-time Super Bowl champion (IX, X)

No. 78 Dwight White – defensive end 1971–1980, 4-time Super Bowl champion (IX, X, XIII, XIV), 2-time Pro Bowl (1972, 1973), Pittsburgh Steelers All-Time Team.

Greene is the only surviving member of the four, following the deaths of Holmes and White in 2008 and Greenwood in 2013.

This 11x14 photo was signed in blue by all 4 members of the Steel Curtain and includes a PSA/DNA sticker and letter of authenticity. This piece measures 20.25" x 17.25" including the frame.