How do you sell a super rare coin?

Could you elaborate on the process involved in selling a super rare coin? I'm particularly interested in understanding the steps one would need to take to ensure a smooth and profitable transaction. What are the initial steps one should consider, such as determining the coin's authenticity and rarity? Additionally, how would you recommend marketing and advertising such a unique item to attract potential buyers? Are there any specific platforms or networks you'd recommend utilizing? Furthermore, what are the potential risks involved in selling a rare coin, and how can they be mitigated? Your insights would be invaluable for anyone considering selling a super rare coin.