Need help identifying a bumper, chevrolet or ?

[ClassicCar.com]

Hi, I was wondering if anyone can identify this bumper, I was told it was chev, buick or olds?? Any help would be greatly appreciated. Thanks

http://www.oldride.com/bb.html?ReadTopic&BBTable=3&Topic=74

[MikeKy]

1956 Chevy front bumper guard assy. The 56 goes all the way across where the 55's had two ends and a center bar.