55 year old Heather Antonelli of Celina was sentenced this week in Mercer County Common Pleas Court to 6 years in prison on 3 felony aggravated drug trafficking charges. The charges are 2nd degree felonies. As part of an agreement with prosecutors, other charges in the case were amended. According to the indictment, on several occassions last year.  Antonelli allegedly sold or offered to sell methamphetamine in the proximity of a school or a juvenile in an amount equal or exceeding 5 times the bulk amount.