#491 Used Coil Strip of three, with PSE Certificate # 01291159 PSE Certificate States: it is a genuine used, coil strip of three, the right stamp with a faint crease and the left stamp with an inclusion dropout. The item “#491 Used Coil Strip of three, with PSE Certificate # 01291159 & 1979 PF Cert” is in sale since Wednesday, April 26, 2017. This item is in the category “Stamps\United States\1901-Now\ Used”. The seller is “jerryconnollystamps” and is located in North Hollywood, California. This item can be shipped worldwide.