The icon shows a circle that could represent a coin with the number one in large print. The coin seems to represent a small denomination of currency or a low amount.
This Cheap icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.