Duplicate I-485 Approval notice after 6 months

someday_that

Registered Users (C)
Hi,
My I-485 got approved in Nov., I've received my plastic card in December.

Last I've received email notification from INS that they have approved my I-485 (again !!!!!) and today I've recieved copy of approval notice.

I am confused b'coz I've got approval notice 6 months back. I have gc in hand. Why I've got another approval notice ?

Has anybody got through similar situation ?

Any suggestions ?

Please advice.

Thanks.
 
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