ˌface ˈvalue noun

1. take something at face value to accept a situation or accept what someone says, without thinking there may be a hidden meaning:
You shouldn’t always take his remarks at face value.

2. [singular, uncountable] the value or cost shown on the front of something such as a stamp or coin

[TahlilGaran] Dictionary of Contemporary English ▲

face value
1. the truth of something on the surface
The woman is a very nice person but you must take what she says at face value.

2. the value or price printed on a stamp/bond/note/paper money etc.; the official value or worth of something
The face value of the stamp was very low but it was worth a lot of money.

I sold the postage stamps for their face value.

Although the face value of the postage stamp was very low it sold at the auction for much money.

[TahlilGaran] English Idioms Dictionary ▲

face value
n.
1. The worth or price printed on a stamp, bond, note, piece of paper money, etc.
The savings bond had a face value of $25.
2. The seeming worth or truth of something.
She took his stories at face value and did not know he was joking.

[TahlilGaran] English Idioms Dictionary ▲