Materiale disponibile:
1942-Plexor
1943-Plexor-2
1943-Plexor
Plexor-ButtonFiller-Nera-Aperta
Plexor-ButtonFiller-Nera-Cap
Plexor-ButtonFiller-Nera-Dismount
Plexor-ButtonFiller-Nera-Dismounted
Plexor-ButtonFiller-Nera-Inscr
Plexor-ButtonFiller-Nera-Nib
Plexor-ButtonFiller-Nera-NibHead
Plexor-ButtonFiller-Nera-Open
Plexor-ButtonFiller-Nera-OpenBody