A good screen helps a lot: D58 actually reads C58 and N07 actually reads M07. That one is interesting enough.
The tag:
P41 P45 S61 V5X END
L25 L31 L81 M07 N88 P31
V1X U C58 G11 G63 H51
TX9 W7X9 000 307 176402
E63 D34 DP23 M4D 193238
[MDH 030100]
Code meanings:
000 - Upper Door Frame Color: None
030100 - Month, Date and Hour of Assembly: March 1, 1974, 00:00-01:00 AM
176402 - Vehicle Order Number
193238 - Sequential Production Number
307 - Scheduled Production Date: March 7, 1974
C58 - 50/50 Bench Seat
D34 - Automatic Transmission
DP23 - Dodge Monaco Brougham - 2-Door Hardtop
E63 - 400 Cubic Inch, 2-Barrel V-8
END - End of Fender Tag Codes
G11 - Tinted Glass - All Windows
G63 - Right Outside Mirror - Remote Control
H51 - Air Conditioning - Manual Controls
L25 - Trunk Compartment Light
L31 - Fender-Mounted Turn Signals
L81 - "Door Ajar" Light
M07 - Opera Window, cfr.
Opera windows on 73-74 Chargers?
M4D - E63 Engine - 1974 Model Year - Belvidere Assembly
N88 - Automatic Speed Control
P31 - Power Windows
P41 - Power Door Locks - Electric
P45 - Power Deck Lid Release - Electric
S61 - Tilt and Telescope Steering Wheel
TX9 - Exterior Color: Black
U - US Market
V1X - Full Vinyl Roof - Black
V5X - Vinyl Side Moulding - Black [meaning the bright lower body moulding with black insert along the top]
W7X9 - Cloth and Vinyl Split-Back Seat - Black
The opera window option was announced January 20, 1974, see
https://www.hamtramck-historical.com/images/vintage-advertising/1974DodgePressRelease/monaco1.jpg