One of Pablo Picasso drawings missing from the museum , officials said . Special unit that combats the trade in stolen cultural artifacts was alerted . The unit used the sketchbook between 1917 and 1924 . Description : Red varnished cover with ` ` Album '' inscription , 6-by-9 inches .
Sketchbook of Pablo Picasso drawings missing from Paris museum , officials say . Special unit that combats the trade in stolen cultural artifacts was notified . The artist used the sketchbook between 1917 and 1924 . Description : Red varnished cover with `` Album '' inscription , 6-by-9 inches .