69 mach 1 instrument gauge/cluster

[jc83]

hello..i am trying to sell tomorrow 7-28 wed. an instrument panel from a 1969 mach 1....it has the 4 gauges with trip meter,tach, etc..on the drivers side and a matching clock panel on the passenger side.they are in pretty good condition..56 k on the odometer!! anyhow some guy at a shop might buy them tomorrow so do any of the real mustang owners out there have an idea on how much i should price these at ???-----thanx jc