I think it's like a customer appreciation thing, because I received it in a form of an e-card from Limoges Jewelry.

Use code SHIP105 at checkout and the shipping is on them!
Offer ends 10/11/06.*

Their clearance items start from $4.99. Sounds like a pretty good deal to me.
Limoges Jewelry Clearance Deals

*Free Shipping coupon is valid site-wide, one use per customer, web and in-stock items only, not applicable to past purchases. Coupon expires at midnight on 10/11/06.