73 Caddy Fleetwood Brougham 4 sale;good shape, gold color. $3,500 OBO Ron Effa 360-676-1158 VIN 6B69R3Q183179. First number "6" indicates production by Cadillac, Second letter indicates series: B=Brougham, Third & fourth numbers indicates the body type: 69=Brougham, Fifth letter indicates Engine: R=472 cid, Sixth number is Model year. 3= 1973, Seventh letter is Manufacturing point. Q=Detroit, MI, Eighth to thirteenth numbers is the sequential production code