One of the multitude of objets d’arte that I most appreciate in Florence are the handmade papers and especially marbleized papers. You can find them in fine shops around the city. Here’s a brief but fine introduction:
https://www.youtube.com/watch?feature=player_embedded&v=Rhm9Ji6xijQ%5D
get back, lauretta! 
Oh I love Florentine paper… Makes great gift ideas to bring back as souvenirs!