Tube tester meter, 305 Ohm, 0,47mA

Description

Bought it as a spare for my Sylvania tube tester (last picture) but it is different.
Internal resistance is 305 Ohm, I calculated 0,47 mA for Full Scale Deflection.
11,8 x 10.5 cm
Message me for details or questions.
(Last picture is for reference, Sylvania tester is not for sale.)