I am looking for a comic book store or memorabilia store in San Jose and Santa Clara to sell a CGCed signed copy of the key issue "The new mutants #87" from 1990 signed by Stan Lee and Rob Liefeld at a grade 9.0 to sell at a premium.  The reason I am making this post is that, when in real life I'm trying to sell like a signed copy of a key issue by the creator of the comic. And certified by CGC. They would give my a quarter of the current market value or a limited value in the triple didget