A black-colored, up-pointing triangle, for use as back-to-text symbol in footnotes (in {{MediaWiki:Cite references link many}}).
Own work by uploader (Herr Satz), using Inkscape; character « ▲ » (BLACK UP-POINTING TRIANGLE, U+25B2), rendered in Arial, filled with #000000, converted to path.
Uploader (Herr Satz).