William Merritt Chase. Keying Up - A Jester (1875). Pennsylvania Academy of Fine, Philadelphia William Merritt Chase. Keying Up – A Jester (1875). Pennsylvania Academy of Fine, Philadelphia Sizes: 150 × 150 / 184 × 300 / 629 × 1,024 / 175 × 131 / 307 × 500 / 640 × 1,042