Older Reproduction.... construction methods and pattern is not correct for any original... nor is the brass correct...
The 114th Pennsylvania Infantry served in the III Corp, 1st Division (Army of the Potomac)
This cap displays a XV Corp, 1st Division Corp Badge.... (Army of the Tennessee)
The 114th PV was never part of that Army Corp, nor was there any other "114" numbered regiment in that Division...
Really gotta wonder what or who at this reported authenticating museum it was shown too...