Restoring icons in finder toolbar Yesterday, for no reason I can think of, the toolbar icons in osx finder disappeared (1st image).  Icons for files are unaffected (2nd image).  

How can the finder toolbar icons be restored?  

I tried commands in terminal for clearing icon services cache (source), but that did not affect anything.  I also read several articles on apple.stackexchange and others found via web search, but found nothing that quite hit this problem.
Right click the Toolbar.

Select Icon Only or Icon &amp; Text.