When the value of debt is the same as its face value, it is said to be selling at value.

When the market value of debt is the same as its face value, it is said to be selling at par value.

Explanation:

Face value and par value is same. When market price of the bond is same as the face value of the bond it is said that this debt is trading on its par value. Par or face value is the value on which bond is initially issued and the value mentioned on the face of the bond. So, When the market value of debt is the same as its face value, it is said to be selling at par value.

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