"Different strokes for different folks". To one who has a collectors knowledge and therefore selects a pistol that meets the collectors group criteria, a good Luger means ( ) fill in the blanks.
To another "stratus" or level of Luger owner or potential owner, especially those who are not into the collector "thing", they pay with somewhat less concern with the "actual" value but with their perceived value of the gun.
Some folks who own "Show & Shine" autos never drive theirs while other S&S like to cruise around.