http://www.lextasy.com/altezza_emblem_1405_prd1.htm
Then you can paint that emblem with this paint
http://www.lextasy.com/lexus_caliper_paint_1003_prd1.htm
You must unscrew it counter clock wise. It shouldn't be too hard.
http://www.lextasy.com/lexus_shift_knobs_37_ctg.htm
http://www.lextasy.com/lexus_shift_knobs_37_ctg.htm