This is 4 center blocks of 4 stamps, the 9th series from China in 1993.
These stamps feature the Changbai Mountains set with 4 different scenic views including; Mt. Tianchi, Alpine Tundra, Waterfalls, and Journey of Mixed Forest.
The blocks measure 4" long by 2.5" wide and are fault free.
They have full undisturbed original gum with no perforation separations.
These mint never hinged blocks are in excellent condition and will make a wonderful addition to any collection.