Mobile Crane Mk II #42009 worth

The catalog data provided is limited, but based on the information on your screen, the Mobile Crane Mk II #42009 is listed with a used value of $228.54 [1]. Since the second item, "LEGO Mobile Crane MK II (42009-1) (Technic)," is unpriced in the catalog, I cannot give you a specific valuation for it. For the first item, the typical value is driven by its condition, and you can compare the sold comps against the current asking prices shown on the page to see how it's trading right now.