Philips TL/D 18 35

unusual Japan made Philips T8 tube. This is an unshielded lamp believed to be made by Matsushita (Panasonic) Sees regular use in a 2 foot Arrowslim mounted under a shelf above my bed. The etch is extremely easy to rub off hence why it is quite feint.
Seem to recall the tube came with a Fitzgerald lightpack