What does G mean in coin grading?
I'm trying to understand coin grading, and I've come across the letter 'G'. I'm not sure what it stands for in this context, so I'm looking for an explanation of its meaning in coin grading.
What is considered a high grade coin?
I'm trying to understand what qualifies as a high grade coin. Is it based on the age, rarity, condition, or some other factors? I'd like to know the criteria for determining a coin's grade.
What is the CAS grade?
I'm trying to understand the meaning of CAS grade. Could someone explain what it stands for and how it's typically used in academic or other settings?