The brown seal 1886 $1 Silver Certificate (also known as the Martha note) has experienced a marked increase in value over the last 3 years.  Most likely driven by the realization that these notes were undervalued, collectors have been actively seeking these notes out to secure this elusive in high-grade note.  And this example is an exceptional piece.  With bright, vibrant colors and like new paper surfaces, securing this note will add value to any paper money collection.