It might be this, but you did not state a color or shape, so I am not certain.
This pill is
Morphine Sulfate Extended-Release 60 mg
Generic for:
MS Contin®
Description: Round, Orange Convex Tablet
Identification Code: One side debossed Boxed M and the other side debossed "60"
You will find an image at
http://pharmaceuticals.mallinckrodt....ProductID=5441
Info at
http://morphine.drugs.com verwon@gmail.com
My information is not guaranteed correct. I do not get them right all the time, but I do enjoy the hunt~