Vintage rotary dial WALL telephone Siemens retailer (Grey color) GERMANY

VINTAGE ROTARY DIAL WALL TELEPHONE SIEMENS (Grey color) year about 1970,made in GERMANY.
All plastic(Body and handset).
WORKS NORMALLY.
CAPSULES HEADSET ARE GENUINE BY CONSTRUCTION.
THE PHONE WORKS NORMALLY WHEN retailer CONNECTED IN TELEPHONE NETWORKS AND THE DIGITAL LINE(MBPS).
TESTED NORMALLY.