In your world, does it matter in terms of value and desirability if an item has a signature on it? For example, in my world (vintage Steiff Teddy bears, dolls, and animals) a signature from a Steiff family member or prominent collector adds "interest" in some cases but seldom adds financial value. In some cases with purists, a signature actually decreases value on all fronts. What is it like with you and what you specialize in?
