Here is what one of the online decoders came up with...
Decoding of Fender Tag: Botttom to Top, Left to Right
Code Description
F61 Unknown At This Time
D32 H-D A-727 TorqueFlite Trans / Some Years A-998
JH23
J = Dodge Challenger
H = High
23 = 2 Door Hardtop
L1B
L = 383 275HP 1-2BBL 8 CYL
1 = 1971
B = Dodge Main, Hamtramck, MI, USA
632960 Sequence Number '632960'
EV2 Paint Code: Hemi Orange / Tor-Red Irid
H6XW Trim Grade/Style/Color
H = High
6 = Vinyl Bucket Seats
X = Black
000 Upper Door Frame: Full Door Panel
317 Date Built: 3 / 17 / 1971
025652 Order Number: 025652
V1W Roof Type OR Color: Full Vinyl Top - White
U Built to Specifications for USA Order
C16 Console w/ Buckets
C55 Bucket Seats
615 Unknown At This Time
633 Unknown At This Time
H51 Single Air /w Heater
M21 Roof Drip Rail Moldings
R11 Music Master Radio AM
V5X Black - Mouldings - Protective Insert Body Side
26 26 in. Radiator
EN2 End of Codes Assembly Line 2
The small frame tag is a production line tag. I have one on my car also just under the right hand tag screw.
Good luck with your purchase...