Message "card mailed" from CIS

Not showing off here. But I have not seen this notice posted before. I guess USCIS is trying to tell us that it is working hard...

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Application Type: I485, APPLICATION TO REGISTER PERMANENT RESIDENCE OR TO ADJUST STATUS

Current Status: Card Mailed

On September 21, 2007, we mailed the new card directly to the address we have on file. You should receive your new card within 30 days. If you do not, or if you move before you get it, call customer service.

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09/17 Approval notice sent
09/18 Card production ordered
09/21 Card mailed