Cheapest lamp shades buy here:
AMAZON:
http://amzn.to/2kHZPMs
http://amzn.to/2kCLEoV
http://amzn.to/2k6GotI
E-BAY
https://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5337945773&mpre=http%3A%2F%2Fwww.ebay.com%2Fitm