I have 4 used azenis rt615k 205/50r15 That have less than a 1000 miles .
Since I no longer have a 914 these are are Sitting in cool storage . Date code 3/2015
From web site
The Falken Azenis RT-615K is a street legal, D.O.T. approved track tire intended for use on performance sedans, compacts and sports cars. They are designed for street and track use and offer excellent control capability. Azenis RT-615K tires have a unique tread design that provides optimal handling and traction in dry driving conditions.