It is almost impossible to say exactly when the production of silk began. Recent Chinese archaeological finds have uncovered carved ivory depictions of silk worms thought to be 6000 to 7000 years old.
Silk and Its Legendary Discovery
Bargain Silk, Wary Choice
Silk is considered as an expensive cost fabric. So some of the venders sometimes promotes a “bargain price” to attract the consumers. However I think you should avoid purchasing silk sheets.WHY?