3 door 360 GLT's are rare as, I can think of two that I know of. What year are you after, the two I know are a mk2 and a mk3, just so happens the mk2 is for sale at the moment.
Linky to the V3M thread
Here
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2003 S60 D5 SE
1989 340GL - Fake -
Gallery Project Thread - Spare parts car turned motorsport plaything. 8 more valves, 277 more cc's
Previously, a lot of various 300s