70-73 camaro front bumpers

[ss383cammaro]

what year camaros have round front turn signal?
and what year camaros had full front bumpers and which years had half front bumpers? these questions would pertain to the years from 1970-1973. thanks for any help. found a camaro ss between these years in a feild. cant read vin. trying to figure out the year. the car doesn't have the small round turn signals.

[Can't Explain]

70 through 73 Camaros with the RS option had the split bumpers and round turn signals.

If you see a Camaro with split bumpers and the turn signals under the bumper then its not original. Someone installed RS bumpers on the Camaro.