This is a piece of upper-surface, 5-color lozenge fabric measuring 26-3/4 in. x 26-0 in. or 68 cm x 66 cm.   It is from the LVG C.VI  being restored by Memorial Flight for the Musee de l'air et de space at Le Bourget, Paris.  This piece is from the upper surface of the lower right wing or possibly from the empennage.