RAW 3d scan.You can buy a 17k poly version here!
https://sketchfab.com/3d-models/ceremonial-huaqrapututo-low-poly-29cc2a3d517841ee85fe67ad1e4c546a
This horn is made with a combination of bull and ram horn connected together with leather. This is an actual horn that has been used in the spiritual ceremony "pago a la Pachamama" (pay to the mother earth )