Brown round op 30Brown round op 30. . . likely increase the popularity of this 30-year . . what is a small round . . . . . small maroon, almost brown, lookin pill with a squared in M on one side and a 30 on the other side. Strength(s): 30 mg Imprint: OP 30 Color: Brown Shape: RoundWhat is brown pill with op on one side and 30 on the other. round pill 30 op . . rainbow flipflop womens casual flipflop womens op . . . . I get the brown 30's. . other from the 1970's. Little round one? ChaCha Answe... more