Welcome to the International Comic Exchange (ICE), the online marketplace that connects buyers and sellers worldwide. Choose ICE to sell your professionally graded CGC, CBCS and PGX comics. ICE is committed to bringing your comics to the attention of serious buyers worldwide. We’ve consistently delivered record results for quality comics, gaining the trust of an ever growing number of consignors. All books sent to ICE for consignment must have a minimum fair market value of $75 US. Consignment books are added to the ICE marketplace every Wednesday.