I promised earlier that I'd find one of these, and not only have I done that — I've found two of them! So you can take your pick.
Here's the first one, with happy Stanley, downloadable here:
And here is the second, more regal, typical picture of Stanley, which you can find here:
Remember, the ratio of Stanley nickels to Schrute bucks is the same as that of unicorns to leprechauns, so use your nickels wisely.