72-13680 L 07878
704 A52 68-69
6B 5 039742 15058
72-13680 means 1972 El Camino Custom 2 dr pickup
L 07878 means the Los Angeles Assembly plant (L) and the body number. Not to be confused with the VIN in any way.
704 is the interior trim code for Black Vinyl Bench seats
A52 is RPO code for front Bench Seat
68 69 are the lower and upper paint colors, i.e. 2 tone paint
68-Midnight Bronze; 69 Aegean Brown
6B is the month June and week produced, 2nd (B)
5 039742 15058 is the DP Sequence Number and means nothing now. Just a number used to process the vehicle thru production and is linked to the assembly plant build sheets, Box 24. i.e A master control number for assembly plant use.