Sorry guys I wasn't thinkin 04 d is 4th week of April
You can also use your VIN and the VIN-month ending numbers, along with the production rate and production days of the month and estimate down to the day or so that your car was built...
Gary W / 09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe, '70 Mach I
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan