c.1960 Mitsubishi 6X-870
Shirt pocket radio, thermoplastic cabinet
4 1/8 x 2 13/16 x 1 1/4 inches / 105 x 71 x 32 mm
Six transistors (Hitachi), superheterodyne circuit
One standard 9-volt battery
Manufactured by Mitsubishi Electric Mfg. Co., Japan
May have been released in late 1959. Small, slim and beautiful, with a painted metal speaker grille — by far the best shirt pocket radio made by Mitsubushi in terms of cabinet design and ergonomics.