Vintage 1996 Star Trek The Next Generation Klingon Battlecruiser Star Ship Limited Edition First Day Postal Cover Stamp No. BS24 Dated 16 4 96 Star Clydey Dyfed - Brand New Shop Stock Room Find. Released by Benham in 1996 as part of their Trek series of first day covers. This fantastic first day cover features the Klingon Battlecruiser Star Ship attached to the envelope featuring the Klingon Logo and a stamp which bears the mark Star Clydey Dyfed 16.4.96, and is numbered BS24 includes the certificate inside the envelope and was limited to only 5000 pieces worldwide. Brand New Shop Stock Room Find. Discovered in the stock room of a closed down toy and comic shop with a whole host of other first day covers from a similar era. All Orders Received Before 4.00pm Mondays to Fridays are shipped the same day