Symphony/National Portable Radio decal/logo?

[thevalveset]

Hi restorers,
I have returned to a problem that I have been struggling with, regarding water-slide decals for early wireless sets.
I need a decal for a 'National' 5 valve 'portable' set (attached) where I had to completely restore the cabinet losing the remnants of the 'National' logo. I have scoured the internet for wireless related decals and can't find one for such a rare and ancient set.
I can probably get 'custom' ones made, but I don't have any high resolution images of the original. Just this low-res one off the internet as an example.
So, does anyone have a National set with a 'good' decal that you would be kind enough to photograph?
Do you know of a source/supplier of vintage/reproduction National decals?
Thanks in anticipation......
Dave