WW2 Corpsman uniform question

[JB4244]

Hello,

 

I have a question about WW2 Corpsmen wearing USMC winter service coat.

 

Do you have a pre or WW2 photo of a Corpsman wearing patches on both sleeves of an USMC coat ?

 

I saw some topics about that:

 

http://www.usmilitariaforum.com/forums/index.php?/topic/171324-korean-war-corpsman-greens-im-showin-mine-so-you-show-me-yours/

 

I would be interested to have more informations about this practice!

 

Thanks for your help!

Regards.