This is a very interesting specimen, consisting of a crystalline galena matrix hosting a l ball of siderite and a couple small pseudomorphs of pyrite after pyrrhotite, directly above it. Damage free.
Similar Minerals
PRU3 Pyrite ps. Pyrrhotite, Siderite on Galena
Pachapaqui Distr., Bolognesi Prov., Ancash Dept., Peru