I have 2 art deco posters by Razzia, they both have a signature, I think they are originals, ow do I confirm it?

More Questions. Additional questions in this category.

• 

  whats a good site to buy posters?
  by kinoguti14 on March 11th, 2012 | 1 person likes this

• 

  When you see a poster like this, do you normally believe what it says or are you sceptical enough to want to verify that it's true?
  by Unicorn Man on February 16th, 2012 | 8 people like this

• 

  What's your favorite movie poster?
  by Mister_Bromyde on December 7th, 2010 | 4 people like this

• 

  Ferrari 512 BBI framed picture, Some kind of print or poster, but can't find it anywhere on the internet..? How much is it worth?
  by ParsonsLukeAdam on January 31st, 2012 | 1 person likes this

• 

  what is the name of those pictures/ cards that move when you move them left or right?
  by iCringe 4 Love on May 17th, 2011 | 1 person likes this

• More Posters (General) See only professionally researched Posters (General) questions