The listing, USA #1706-1709 1977 American Folk Art - Indian Pottery block of 4, mint has ended.
USA Folk Art commemorative stamps block of 4 featuring Indian Pottery.
Hard to find as complete block of 4. Due to the stamp positions on a full sheet, individual blocks have the positions of the 4 individual stamps in a different order, but you will receive a block of 4 different stamps with the designs as shown, just not necessarily in the same order shown.
Higher cost due to value
Year: 1977
Catalog # 1706-1709
Condition: full gum, mint never hinged, post office fresh
I have several of these blocks, all similar (with variations of the 4 stamps in different positions), the scan is representative of what you will receive.
My general terms for stamp-related Listia lots can be found here (please read, it answers a lot of basic questions):
http://listiarules.webs.com/