USPTO Trademark Renewal Help

I have two classes in my TM and they are seeking " need two specimens of use. "" I am unaware of what qualifies this .. and I would be grateful for you to reply, if you are negotiable on your fee.. ... (Budget: $10 - $30 AUD, Jobs: Contracts, Intellectual Property Law, Legal, Legal Consultation, Legal Research, Legal Writing, Patents, Trademark, Trademark Filing, Trademark Registration)