face value = par value
Face value, also referred to as par value or nominal value, is the value shown on the face of a security certificate, including currency. The concept most commonly applies to stocks and bonds, so it is particularly important to bond and preferred stock investors.
so, when you read "face value" in the 6-k filings, it is the same as "par value"
The company under the name “National Bank of Greece S.A.” (the “Bank”) informs the investors that the Extraordinary General Meeting of the Bank’s shareholders, which took place on 17/11/2015, decided, inter alia, the following:
a. the increase of the face value of each share from EUR 0.30 to EUR 4.50 with decrease of the total number of existing shares from 3,533,149,631 to 235,543,309 common registered shares (reverse split) at a ratio of 1 new share to replace 15 existing shares.
b. the decrease of the share capital of the Bank by EUR 989,281,897.80. Such decrease of the share capital shall be effected by decreasing respectively the face value of each share from EUR 4.50 to EUR 0.30. Following the above decrease, the Bank’s share capital amounts to EUR 70,662,992.70, divided into 235,543,309 common registered shares of a face value of EUR 0.30 each.