Standard Grade pins have the best overall appearance in a batch of pins - but it is possible that they exhibit very minor imperfections that can be seen under close inspection. These include, but are not limited to:

• Minor under or over-filled enamel
• Slight imperfections in metal plating
• Light surface scuffing or scratches in the enamel and/or metal
• Stray pieces of glitter or dust
• Plating imperfections on the sides/back
• Slightly misaligned screenprinting

Second Grade pins have noticeable flaws. Defects in Second Grade enamel pins might be, but are not limited to

• Low-fill or overfilled enamel in large areas
• Moderately scuffed enamel and/or metal
• Small gouges or marks in the enamel
• Air bubbles in the enamel or epoxy 
• Large areas of plating issues on the sides and/or back
• Lightly discolored enamel and/or tarnished metal plating