Taking a Grande Plunge, or Jumping Off a Cliff? Not sure which at this point...

[Jus]

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Hey yall-look what I've found in the local Craig's List:

 

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I'm planning to go this Saturday and get the lamp.  But the Lava Library says Grandes were first produced in the 90's.  So, is this seller mistaken about buying it in the early 70's?  I don't have a cap code, or really any info at this point beyond this one photo.  Still seems like a good deal to get, but what do y'all think? And now I'm thinking of bulbs-which ones will work, and where to get them at the best price.  I do have plenty of dimmers, if needed.  Please chime in if you are able to advise me! Thanks!

[Jus]

Maybe so...good luck!