Past season Miu Miu.

Your options are:

1) Ebay (please make sure you get the bag authenticated first)
2) Blufly (they pop up occasionally)
3) Call Saks, Neimans, and Bergdorf Goodman
4) Call Miu Miu boutiques
 
I've been in touch with Renato and he was wonderful--very professional and efficient.

My black coffer will be shipped on Monday! I'm so excited!

Thank you again for the advice!