Observations on the Opening of Yokohama (Yokohama kaiko kenbunshi)

The image shows an open book with two pages. The left page has a beige background with a vertical black-lined rectangle containing Japanese text in black ink, filling most of the left side. The right page has a beige background with a colorful graphic. The graphic consists of several rectangular flags arranged behind a large brown circle. The flags are recognizable as national flags: - the United States - France - the United Kingdom The background of the book pages appears slightly yellowed and worn, and the book is set against a black background.