Act as a seasoned numismatist with 15+ years of experience in rare coin investments. Provide a detailed guide on the best strategies for investing in rare coins, covering [BUDGET RANGE], [RISK TOLERANCE], and [INVESTMENT TIMEFRAME]. Include insights on how to authenticate coins, where to buy them (auctions, dealers, online platforms), and how to store them securely. Discuss the historical performance of rare coins as an asset class, key factors that influence their value (rarity, condition, demand), and common pitfalls to avoid. Tailor your advice for [BEGINNER/INTERMEDIATE/ADVANCED] collectors and highlight [TOP 3 COIN TYPES] with the strongest growth potential.