This is a flyer for a bike made by DNB. The bicycle itself appears to be a reasonably good quality imitation of a Raleigh 3 speed (the Raleigh Wayfarer springs to mind), with the characteristic Raleigh design of fork crown etc..

• Publisher: DNB?
• Country: Japan
• Date: 1968?
• Derailleur brands: DNB
• Derailleurs: nothing specific