Telephone Switchboard, Computerized Telephone Exchange (Turkey 1990)

23 October (Turkey ) within release 150.Anniversary of Turkish Post goes into circulation Stamp Telephone Switchboard, Computerized Telephone Exchange face value 400 Turkish lira

Stamp Telephone Switchboard, Computerized Telephone Exchange in catalogues
Michel:	Mi:TR 2912C
Stamp Number:	Sn:TR 2493

Stamp is horizontal format.

Also in the issue 150.Anniversary of Turkish Post:

• Souvenir Sheet - 150th Anniversary of Turkish Postal Service face value 2350;
• Stamp - Post Rider, Truck, Train, Airplane and Ship face value 200;
• Stamp - Telegraph Key, Computer Terminal face value 250;
• Stamp - Telephone Switchboard, Computerized Telephone Exchange face value 400;
• Stamp - Power Lines, Satellite face value 1500;