' s ▁stand . ▁A ▁wealth y ▁Sp ani ard ▁purchased ▁it ▁at ▁the ▁show ▁and ▁the ▁ 4 0 0 GT ▁Mon za ▁remained ▁in ▁his ▁family ▁after ▁his ▁death ▁in ▁the ▁early ▁ 1 9 9 0 s . ▁In ▁ 1 9 9 6 , ▁au ction ▁house ▁Bro oks ▁( now ▁Bon h ams ) ▁discovered ▁the ▁car ▁in ▁storage ▁when ▁they ▁were ▁contact ed ▁by ▁the ▁family ▁of ▁the ▁now ▁dece ased ▁owner ▁to ▁app raise ▁some ▁other ▁cars . ▁After ▁nine ▁years ▁of ▁negoti ations , ▁the ▁car ▁was ▁finally ▁sold ▁at ▁Bon h ams ' ▁December ▁ 2 0 0 5 ▁au ction ▁in ▁London ▁for ▁£ 1 7 7 , 5 0 0 ▁GB P . ▁ ▁See ▁also ▁▁▁ ▁Lamb org h ini ▁F lying ▁Star ▁II , ▁a ▁one - off ▁concept ▁car ▁built ▁by ▁Car roz zer ia ▁Tour ing ▁based ▁on ▁the ▁ 4 0 0 ▁GT . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁l p 1 1 2 . com ▁a ▁register ▁of ▁over ▁ 1 0 0 ▁ 4 0 0 ▁GT s ▁ ▁www . 4 0 0 gt . com ▁additional ▁historical ▁site ▁ ▁November ▁ 2 0 1 0 ▁Oct ane ▁Magazine ▁article ▁on ▁the ▁ 4 0 0 ▁GT ▁Mon za ▁ ▁January ▁ 2 0 1 1 ▁Oct ane ▁Magazine ▁article ▁on ▁the ▁ 4 0 0 ▁GT ▁Mon za ▁▁ 4 0 0 ▁GT ▁ 2 + 2 ▁Category : C ars ▁introduced