
This is a high-explosive (blast), pressure-actuated, nonmetallic, antipersonnel (APERS) landmine. The RO-1 is a pull/pressure-actuated fuze. The fuze is black plastic and the striker is marked 51 a VII. The mine is made of wood. The fuze is plastic but contains internal metal parts.
No information about functioning.
No information about hazardous components.
Nothing else to see.