This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Accordionjapan. ja en From the book entitled Gekkin Zakkyoku Shingaku Sokusei Jizai published in Tokyo talk February UTC PDold Accordions Diatonic button accordion
Page 2023 Free-images.com. All images are Public Domain