"The only original Shelbys that came with over the top "LeMans" stripes were 65'-66'. Everything after that was owner added."
1967 Shelby Mustang Retail Prices
Shelby GT350: $3,995
Shelby GT500: $4,195
Power disc brakes: $63.77
Power steering: $84.47
Shoulder harness: $50.76
Select-O-Matic transmission: $50.00
Air conditioner, SelectAire: $356.09
Exhaust emission control system: $45.45 Closed crankcase emission system: $5.19
Fold-down rear seat (mandatory): $64.77 Radio, AM push-button: $57.51
Deluxe wheels: $185.00
Rallye stripe: $34.95
Paxton Supercharger (GT350 only): $549.00
source:
http://www.mustangspecs.com/years/67shelby.shtml
1969-70
Around 789 Shelbys were unsold in 1969. These cars were "updated" and sold as 1970 models by changing the VIN showing 1970 as the model year. Changes to the '70 also included twin black hood stripes and a Boss 302 type chin spoiler.