Dollar Round, Period 1 (BG-601 to BG-607)

About This Coin

Cataloged as BG-601 through BG-607 in the Breen-Gillio reference, these Period 1 round gold dollars constitute one of the smallest and rarest groupings within the entire California fractional gold series, encompassing just seven BG numbers from the earliest phase of fractional gold dollar production. Dating from the early 1850s, these round dollars were produced during the period of genuine monetary necessity when California's gold-driven economy required small-denomination gold pieces that the distant Philadelphia Mint could not supply in adequate quantities. The round format for dollar-denomination pieces is considerably scarcer than the octagonal format in Period 1, suggesting that fewer dies were cut and smaller quantities were produced for circular dollar pieces during this initial phase. A notable auction result of $83,000 in MS63 grade at American Numismatic Rarities demonstrates the premium that rarity and early-date provenance command in this segment of the market. With only seven BG numbers spanning the entire Period 1 round dollar category, this represents one of the most concentrated and challenging areas of California fractional gold collecting — each individual BG number is scarce to rare, and assembling a complete set of Period 1 round dollars is an achievement pursued by only the most dedicated specialists. These pieces document the pioneering phase of California's unique private gold coinage tradition and carry historical significance that extends beyond their considerable numismatic rarity.