I finally found time to pour over my chips and found the A-1, N8309 and looked at it. You're right Richard, no "JSC" initials. But now the mystery for me deepens. When I bought, and I didn't note from who or even when, I entered those initials in my inventory. Since TCR doesn't show this variation and since I had never seen any A-1 chip prior to my purchase of this one, I cannot figure out why I put "JSC" in my inventory. I have no complaints against whoever was the seller, since I got what I ordered. But unless someone comes forward and tells me what happened, I shall remain forever ignorant. Anyway, I hope you will share with us the story behind the initialed chips, even though mine isn't one of them.