Earpiece for Vertex Standard Portable Radio VX-230 VX-231 VX-350 EVX-531 EVX-534 Rado Earphone
https://www.vogueparade.com/shopping/EN/200380144/1/1005003643653109/earpiece-for-vertex-standard-portable-radio-vx-230-vx-231-vx-350-evx-531-evx-534-rado-earphone//