Here is the Decode hopefully this helps with the valuation thanks guys!
BS23:
Plymouth Barracuda
Special, 'Cuda
2 Door Hardtop
H3B: 340 240HP(net) 1-4BBL 8 CYL
1973
Dodge Main, Hamtramck, MI, USA
337110: Sequence number
E55: 340 cid 4 barrel V8 275hp
D13: 3 Speed Manual Transmission-Floor Shift
FE5: Bright Red Exterior Color
A6X9: Trim - Basic, Vinyl Bucket Seats, Black
000: Full Door Panels
129: Build Date: January 29
202538: Order number
V1X: Full Vinyl Top, Black
U: USA Specifications
B41: Front Disc Brakes w/Standard 10in RR Drum
C16: Console w/Woodgrain Panel
C56: Bucket Seats
J52: Inside Hood Release
J54: Sport Hood
L25: Trunk Lamp
L31: Hood/Fender Mounted Turn Signals
M21: Roof drip rail moldings
M25: Wide sill moldings
M31: Belt Moldings
M88: Decklid Moldings Treatment
N41: Dual Exhaust
N42: Chrome Exhaust Tips
R11: Radio Solid State AM (2 Watts)
V6X: Longitudinal Stripes, Black
FN2: Unknown