The costume consists of a Vulcan robe of a reflective blue fabric with inset black lines, a long tabard with red and gold leaf trim with metallic silver dots throughout and a blue felt hat with a silver colored headband...
Worn by Sierra Pecheur as Ambassador T’Pel in the Star Trek: TNG season four episode #185 “Data’s Day,” which aired the week of January 7, 1991. Data records a day in his life for Commander Bruce Maddox, including observations on Chief O'Brien's wedding, and the mystery of Vulcan ambassador T’Pel who apparently dies in a transporter accident. The costume consists of a Vulcan robe of a reflective blue fabric with inset black lines, a long tabard with red and gold leaf trim with metallic silver dots throughout, a maroon colored skullcap with a front to back ridge running the crown and a blue felt hat with a silver colored headband and brace affixed to the back with a large Vulcan gold and black badge on the back and a smaller triangular one in the front with an attached red and gold chinstrap and a long, flowing black drape with silver sparkling lines. The skullcap and robe have sewn in tags inscribed “Sierra Pecheur.” The costume tag reads “#185 Data’s Day T’Pel Sierra Pecheur.” Katie Prewitt July 17, 2018 - It’s A Wrap eBay Auction April 13, 2007.