This folio of stamps from PR China measures 8-3/8″ x 11-1/4″ when folded.   Here’s the cover.  Open it like a book.  The inside front cover has a bilingual explanation (see our entry 36600141B) and the next page has those stamps in a clear sleeve (see entry 141C).  Issued by China National Philatelic, there’s also a QR Code for your further information.  Grade: 1, and reminder:  no postcard here.