Mauritania 1,000 Ouguiya 2014 P-19 UNC Polymer

What does UNC, A-UNC, XF, VF, F, VG, and G MEAN?
From Krause – “Catalogue on World Paper Money”
Grading Guide – Definitions of terms
Uncirculated:(UNC) A perfectly preserved note, never mishandled by the issuing authority, a bank teller, the public or a collector.
About uncirculated:(A-UNC) A virtually perfect note, with some minor handling.
Extremely fine:(EF or XF) A very attractive note, with light handling. May have a maximum of three light folds or one strong crease.
Very fine:(VF) An attractive note, but with more evidence of handling and wear. May have a number of folds both vertically and horizontally.
Fine: (F) A note which shows considerable circulation, with many folds, creases and wrinkling. Paper is not excessively dirty but may have some softness.
Very good:(VG) A well used note, abused but still intact. Corners may have much wear and rounding, tiny nicks, tears may extend into the design, some discoloration may be present, staining may have occurred, and a small hole may be seen at center from excessive folding.
Good:(G) A well worn and heavily used note. Normal damage from prolonged circulation will include strong multiple folds and creases, stains, pinholes and/or staple holes, dirt, discoloration, edge tears, center hole, rounded corners and an overall unattractive appearance.

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