Butterfly, Northwood   Updated 7/20/2015
Northwood's bonbon has a single butterfly with stippled rays radiating from the center. Most of these have a plain back, but a few have fine rings circling the back as shown on the right and are referred to as "threaded."
Bonbons, plain back

Amethyst/purple, 15, 25, 30 (all 2013), 25, 30 (both 2014), 20, 25, 30, 55 (all 2015)

Amethyst/purple, electric, 1,700 (2008)

Green, 25, 30, 45 (all 2010), 40, 45 (both 2011), 30 (2014), 35, 40 (both 2015)

Marigold, 28 (2013), 10 (2014), 15, 30 (both 2015)

Violet, 60 (2013)

Smoke, 175, 450 (both 1998), 350 (2012)

Bonbon, threaded back (scarce)

Amethyst/purple, 125 (2010), 35, 50 (both 2012), 100, 340 (both 2012)

Blue, 300 (2011), 300 (2012), 300 (2013), 150, 225 (both 2014)

Blue, electric, 500 (2011)

Green, 375 (2009), 300 (2010), 160 (2012), 375 (2014), 475 (2015)

Green, emerald, 1,100 (2000)

Ice blue, 3,250 (2004 private sale), 1,800 (2006), 450, 1,150 (both 2011)

Marigold, 190 (2010), 125 (2011), 350 (2012), 180 (2013)