United States postal Dublin Ohio

I mailed some very important papers to Atlanta ga. And a Sears gift card was also inclosed on february 19', 1015 from 6238 delta loop dublin Ohio 43016. The elnvelope eas a large 8x10 white girl enelope. i spoke to the female mail person who stated she did indeed take it. since then I was told by a neighbor and president of resident council board. That the female mail person mentioned above did indeed put someone's medication in the wrong mail box on many occasions, please help find those important papers

Respectfully yours,