They forwarded me two letters from USCIS. One is

来源: 于 2007-09-01 12:51:22 [旧帖] [给我悄悄话] 本文已被阅读：次

asking photo for AP. The other one is the AP.
You should get your card in a few days. If not, hard to say when you will get it.
Just my experience.