If it's a BDA .380, and it was made in the 70s/80s, it's a Beretta Model 84 with a different slide.
Grips should interchange, and you can get ivory (not always pearl) grips, they won't be cheap.
Pearl grips.......not much demand for them. They're around, but not cheap.
"And Shepherds we shall be. For thee, my Lord for thee. Power hath descended forth from thy hand, that our feet may swiftly carry out thy command. So we shall flow a river forth to thee and teeming with souls shall it ever be. In nomine Patris, et fili, et Spiritus Sancti. Amen."