Soviet silver hallmarks were official stamps guaranteeing silver purity, origin, and age in the USSR. Until 1927, they followed Imperial Russian standards using the Kokoshnik (woman’s head in headdress). A new system adopted in 1927 featured a worker holding a hammer, Greek letters indicating assay offices, and purity numbers. In June 1958, the design changed … Read more

The 2000-P “Wounded Eagle” Sacagawea Dollar is a rare mint error coin from the Philadelphia Mint. It’s distinguished by a raised line or die gouge across the eagle’s belly on the reverse, resembling a spear wound. Only a few hundred coins like this are known, and are identifiable by the raised line under magnification. This … Read more

The Sacagawea Cheerios Dollar is a rare 2000-P dollar coin distributed in 5,500 Cheerios boxes as part of a U.S. Mint promotion. These coins are valuable because of their scarcity and because of one key distinctive feature- highly detailed eagle tail feathers on the reverse side, with raised central shafts. The worth of these coins … Read more

Sacagawea dollar coins without visible dates fall into two categories. Coins from 2009 onward belong to the Native American $1 Coin series where the date and mint mark were intentionally moved to the coin’s edge. Their lack of a front-facing date is by design, not an error. These golden-looking Sacagawea dollars are worth their face … Read more

Russian silver hallmarks certify purity, date, and origin using the Zolotnik system (in use from 10th century-1927). Common Russian silver standards include 84 zolotniki (.875 fineness, most common), 88 (.916), 90 (.937), 91 (.947), and 96 (.999 pure). Russian hallmarking system included four main assay offices: St. Petersburg (crossed anchor and scepter), Riga, Vilnius, and … Read more

Regular Sacagawea dollars contain no gold despite their golden appearance. Instead, they’re made of manganese brass. The gold versions were all minted at West Point, not Philadelphia, Denver, or San Francisco. The U.S. Mint released a limited 24-karat gold proof Sacagawea dollar in 2025 for the coin’s 25th anniversary, with only 7,500 minted. Additionally, 39 … Read more

Sacagawea silver dollars exist as official U.S. Mint products. The San Francisco Mint produced 90% silver proof versions annually, featuring an “S” mint mark and a distinctive cameo finish. However, many supposed “silver” Sacagaweas found online aren’t genuine silver coins. Instead, they’re regular circulation coins that have been silver-plated by private individuals for novelty and … Read more