A courtesy flag should be flown by in foreign waters as a token of respect. It is often smaller than the boat’s own national maritime flag. The usual rule that no flag should be flown higher than the national flag does not apply on board a ship! A flag flown at the stern is always in a superior position to a flag flown elsewhere on the ship, and flags on the port side (the heart side) superior to flags flown on starboard.
The courtesy flags of S/Y Romar was purchased at: Mochrefie.com GmbH, Spannstiftstrasse 39, 58119 Hagen, Germany (www.best-but-flags.co.uk)