Today I bought a book about the Argentine Volunteers that fought in the RAF, RAAF, RNZAF and RCAF during the WW2. They were more than 700 and aprox 200 lost their lives in combat.
This is the link to the book. I know tht in GB it can be purchased in English.
http://www.firmesvolamos.com.ar/home.phpl]http://www.firmesvolamos.com.ar/home.php
Here is a pic of one of them who achieve the ace category. His name was Ken Charney (LO*B), he was born in Buenos Aires. He flew with Pierre Closterman many times. The color of the letter codes are in light blue. I consulted the author and he said that he investigated the matter with differnt experts and they were that colour.
