1: Rare 50p coin sells for $2500 on eBay.

2: Collectors clamor for elusive 50p coins.

3: High demand for limited edition coins.

4: Scarcity drives up value of rare coins.

5: Rare 50p coin fetches top dollar in online auction.

6: Investors see potential in rare coin market.

7: Rare coins make for valuable investments.

8: Limited supply fuels high prices for collectible coins.

9: Rarity adds to allure of high-priced 50p coin.