It once more simply says "Yoshioka", corresponding from right to left to よしをか (today's oka 'hill' is from earlier woka). It was apparently printed from the beginning, which is confirmed by other copies, e.g. https://t.co/jRLN9chQWA or https://t.co/KC5cTtDYeC. 2/ https://t.co/zi0c301mjY