LARGE MAHAKALA MASK IN GOLDEN IRON AND COPPER, Tibet, 19th-20th century Fierce expression, three bulging eyes, forehead encircled by a crown of skulls around shaggy hair; inlays missing H.78 cm (30 ½ in.) A large iron and gilt-copper mask of Mahakala, Tibet, 19th/20th century 西藏 十九/二十世纪 铁与铜鎏金大黑天面具