I'm working to write an informative article about types of gold coins for investment. I need US-based certified financial planners, commodities market analysts, economists specializing in precious metals, or academics specializing in financial markets to share unique insights. Please answer any of the following: 1. What separates a bullion coin from a numismatic or collectible coin, and why does that distinction matter for someone buying gold as an investment? 2. Among major gold bullion coins — Eagles, Maple Leafs, Krugerrands, Britannias, Kangaroos — are there meaningful differences investors should factor in when choosing, or is global recognition the main thing that matters? 3. What’s the difference between gold coins and gold bars? How do the two compare for the typical retail investor in terms of premiums, liquidity, and ease of resale? 4. Why do many investors — especially beginners — gravitate toward 1-ounce bullion coins as their entry point into physical gold? 5. What should investors look for when evaluating dealers that sell gold coins, and what questions should they ask before making a purchase? Please also provide your role/title, LinkedIn profile link, company website, company descriptor, and a good email for follow-up.