This is a rare find. A New-In-The-Box unused Plate Meter for the Heathkit SB-220 221 and maybe other amps. Full Scale is exactly 200 micro-amps.

It comes with the lamp and lamp holder solder lugs shorting clip and the tiny nuts that secure it to the panel.

Heath Box is stamped Part number 407-145. price is $55.00 plus shipping PO M O or Bank CK for payment. 954-489-8693 dave