File:Y4.jpg
Summary
| Description |
English: Signal Y4 |
| Source | Own work |
| Author | Delicroix |
Licensing
 |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
