Unusually forked Orange?

[Nickinthecorner]

https://www.ebay.co.uk/itm/vintage-...-/304020345013?_trksid=p2349624.m46890.l49286

I've not seen a fork like this before, SMD research anyone?

 

[sswiss]

That's be AMP Research F(something) someone will be along in a minute to confirm.

 

[BrushedAluminium]

look like F3

 

[Nickinthecorner]

Ah that's why a search returned nothing then!