Definitely CLEAR! If you've been toying with all of the above, do a clear Plexi case and gild the inside surface with Variegated Leaf! It's got all the colors you described and will act as RFI shielding if you attach a heavy foil ground strap connection to it before you "back it up" with clear varnish . . . and it'll be semi-see-through to boot! [}
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