I think the Car was metallic Blue at some point in its life in the UK
But maybe? that was a repaint? and maybe one reason it was made into a Petty Clone is that it started its life as Tb3 "Basin Street Blue"just like the tag confirms?
i decode the tag as N42 Duel Chrome exhaust tips
R11 Music Master AM radio(still has this)
V8X Transverse Black stripe
END end of codes
V4X roof type OR color Black canopy vinyl
U USA built
M21 roof drip rails
M31 belt and hood mouldings
N23 Electronic ignition(72 only)
N41 Duel exhaust w/o tips
TB3 Basin street Blue(aka Petty Blue)
C2x9 trim grade style color C=Charger 2=vinyl bench X9=Black
TX9 upper door frame Black/Black velvet
706 built 7/06/72 435323 order no
E55 340-4bbl
D21 heavy duty 4 speed
RM23 R= Roadrunner M= Medium 23=2 door hardtop
H= 340 1-4bbl 8cyl
2= 1972
G= St Louis,MO,USA
219090 production line number
Thanks for your help

i will see what i can find out about its past history