Gorham Sterling Silver Vermeil 3-Tiered Sacristy Holy Oil Set Vessel Pill Box.

Three section vessel /box with lid. 
The sections are marked:
OS - Oleum Sanctum 
SC - Sanctum Chrisma
OI - Oleum Infirmorum 

Measures 2" tall by 1" in diameter at the base.
Marked on the bottom.