\version "2.19.81"

\score {
    \new GrandStaff <<
        \new Staff  { 
            c'1 \bar "|." \mark \markup { \musicglyph #"scripts.ufermata" } }
        \new Staff \with { \consists "Mark_engraver" }  { 
            d'1 \override Staff.RehearsalMark #'direction = #DOWN \mark 
                \markup { \musicglyph #"scripts.dfermata" } }
    >>
}