Honda Dream Motorcycle Desk Lighter

I was given this desk lighter.  It is in excellent condition and never has been used or had fluid in it. The bottom has HONDA DREAM CB750 FOUR on it and a sticker that says Japan.  It is a pretty heavy piece.  I have not been able to find much information about it. The only thing I could find was the 1969 Honda Dream it replicated. I would appreciate any information about this such as: age, value, etc. 

Thanks!