(!!) (Best Single) 5920=E90CC Amperex PQ Holland 1968 (8.0/8.4ma)
5920=E90CC Amperex PQ Holland 1968 (6.8/6.8ma)
E90CC Mullard Holland Pinched Waist "D" getter halo 1957 (7.4/7.8ma)
E90CC Philips Miniwatt SQ Holland Pinched Waist "D" getter halo 1957 (7.4/7.8ma)