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Open today: 10:00 to 5:00

Inscription

lower right below platemark in graphite: OK #15/3 / SL [circled]; lower right in graphite by unknown hand: (30x30 #3 / 15 1. Background c / 2. spit charB con. upside down / 3. Blue / 4. Yellow / 5. Red / 6. spit charB con Right side / up; lower right verso in graphite by unknown hand: Color & Black, 30 x 20/3 OKTP

Provenance

Kathan Brown, San Francisco; gift to NGA, 2011