Spock/Holograms

A hologram of Spock was created by the Romulans in 2368 for Sela to use to give a false address to the Federation. It was known by the title "Spock One". ()
During Dal's setup of the aboard the in 2383, he requested that the computer select the best officers on his behalf, which included a holographic version of Spock, from the TOS era, as a member of his command crew. ()