Ever Seen One of These?

[BeZo]

It's a 4 ohm Vintage 30.

https://lansing.craigslist.org/msg/d/holt-celestion-g12-vintage-30-ohms-rare/7893600346.html

 

[thegame]

There’s 4 ohm versions of many Celestions, past and present. Usually meant for OEM specific applications (eg. low wattage solid state amp, etc).

 

[cardinal]

I think I had a Johnson Millennium with those (solid state modeler).