1810 Capped Bust Left Half Eagle. BD-4. Rarity-2. Large Date, Large 5. AU Details--Filed Rims (PCGS). A sharply defined, bright medium gold example with ample remnants of a semi-prooflike finish. The BD-4 attribution corresponds to the Large Date, Large 5 <em>Guide Book</em> variety of the 1810 half eagle. This is the most readily obtainable of the four known die marriages of the date and, given that it is also a plentiful variety by Capped Bust Left five-dollar gold standards, this more affordable About Uncirculated example holds particular appeal for budget minded type purposes. BD Die State a/a. From the Naples Bay Collection. From the Naples Bay Collection.