This particular item measures 7-1/2″ x 7-7/8″ x 1/4″ thick.  It looks like a menu in an upscale restaurant in China.  Open it to find the first two pages each with a postcard whose front is entirely Chinese text, and whose reverse has pre-printed postage.  There are five solid pages (12 facings overall), with a postcard representing one part of a long panoramic art view of Shenzhen.  Above the card on each page (in a plastic sleeve) is a stamp matching that particular card.  So these are like Maximum Cards, but the stamp is above the card, not on it, and not postmarked.  And more pre-printed postage on each card’s reverse.  Grade: 1