There’s a 1963 phone from NTT called the “model 600”, very much like the Bell model 500, which you can view among others at the NTT History Center of Technologies in Musashino, in west Tokyo. I hope to visit some day. ☎️ 

NTT
Analog Telephones
—Actual Phones are Open to the Public for Viewing at NTT History Center of...









