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Inscription

upper right in graphite: #1 RT OKTP; lower right verso in graphite: Tuttle: Up, to 7, image #1 OKTP; along right edge verso in graphite: 1. (triangle) 2. CERRU+EX 3 514 4. B UMBR 5 (not deciphered) 514

Provenance

Acquired by NGA from Kathan Brown, San Francisco, 2006.