I had another 69 Roadrunner owned from 1974-78 I have some info on that car.
1969 Roadrunner Convertible
Serial Number: RM27H9G130915
Original Color: T7, Stripe delete
Current Color: Unknown, last known Y2 stripe delete.
Original Engine: 383HP
Built: St Louis
Current Engine: Unknown
Original Interior: Black
Current Interior: Unknown
Seats: Bench
Vinyl Top: No
Transmission: 727
Owner: Unknown
1969 Roadrunner Convertible
Serial Number: RM27H9G130915
Original Color: T7, Stripe delete
Current Color: Unknown, last known Y2 stripe delete.
Original Engine: 383HP
Built: St Louis
Current Engine: Unknown
Original Interior: Black
Current Interior: Unknown
Seats: Bench
Vinyl Top: No
Transmission: 727
Owner: Unknown