Mallory 150 Series Metalized Polyester caps

[Den123]

Anybody know these caps? For use inter-stage-coupling caps in a valve amp. Watford Valves has them.
I see Phillips "Orange drop" caps are also popular, but there are different types to choose from.
Anyone wish to offer advise please?

 

[Mars]

 

[Ampdog]

 

[handsome]

 

[Den123]

 

[Ampdog]

 

[Den123]

 

[Den123]

 

[Ampdog]

 

[Den123]

 

[Den123]

 

[Ampdog]

 

[Den123]

 

[fdlsys]

 

[Den123]

 

[Den123]