1950s Ultraflex safety pen

Year:  1950s Condition:  Very Good +
Cap:  black acrylic Body:  black acrylic
Nib:  14 K fine flex Price:  $125.00
Length:  5" Flaws:  none
1950s(?) Ultraflex safety pen in black acrylic(?) What you may ask, is an ultraflex. Wish I could tell you. It is, as noted, a late safety pen with an ultraflexible 14 K Bock nib. So how cool is that? It can be yours for $125.00