To dream of finding a quarter on the ground suggests luck is in the air. It cautions you to watch your feet, keep your eyes open, and be willing to accept that gifts sometimes arrive in small but significant packages.
To dream that someone gives you a quarter is telling you to relax your pride and accept help when offered.
Alternatively, when you dream of giving somebody a quarter, it is a message to be aware for opportunities to help others. Giving invites the vibration of receiving.