For 10 points, a pair of which objects are used to represent comedy and tragedy?
An artist surrounded by these objects wears a red hat decorated with flowers and a feather in an 1899 self-portrait. A black woman with a baby on her back kneels before a man with a red object of this type in The Missionary by Emil Nolde, who also painted a still life of these objects against a green background. In another painting, a mayor on a green platform wears a bowler hat, a sash, and one of these objects. Fang objects of this type inspired the characteristic (*) features of Amedeo Modigliani's portraits. Most of the figures marching under the banner "Vive la sociale!" wear these objects in James Ensor's Christ's Entry into Brussels. Some African objects of this type that Picasso saw in a museum inspired the features of the women in Les Demoiselles d'Avignon. For 10 points, a pair of which objects are used to represent comedy and tragedy?
An artist surrounded by these objects wears a red hat decorated with flowers and a feather in an 1899 self-portrait.
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