This pill sort of matches your description, but not exactly.
Dextroamphetamine Sulfate Tablets, USP 10 mg
Description: Generic for DextroStatÃ‚Â® and DexedrineÃ‚Â®. Pink, round, flat-faced, beveled-edge, scored tablet. Debossed with 953/10 on the scored side and b on the other side.
You will find this description and an image at barrproductguide.com