Standard: Free of major defects but may contain slight surface imperfections that are only visible upon very close-up inspection and/or from looking at the pin under certain lighting or from a specific angle.
B Grade: Contains more noticeable flaws. Examples include air bubbles, pin pricks, stray paint/glitter specs, scratches, metal plating defects (excluding backs) or low filled enamel, random specs of dirt, dust, glitter, fibers.
