Hi Dieter,
Here's the details I found out about your bass:
serial number: 94W8757
model name: Epic
model number: WLB6
top: Flame Walnut
accent: Maple pinstripe
body: Mahogany
neck: 5-piece Maple
scale: 34 long
fingerboard: Ebony
inlays: none
pickups: MXY56
controls: Epic volume, pan, bass, treble, mono output
originally made for: Guitar Workshop, Norway
birthday: January 17, 1994
I've noted in the file that it's a fretless now.