These postage frame stamps by DRS Designs are great not only for coordinating envelopes, but also as a focal point.
Stamps: DRS Designs (United We Stand Postage Frame F054).
Ink: Stampin Up (Real Red, Night of Navy).
Cardstock: Stampin Up (Real Red, Night of Navy). Accessories: Creative Memories (star punch), star brad, silver ribbon.
For more details, check out the DRS Designs' blog: