Silver Dollars & Trade Dollars of the United States - A Complete Encyclopedia

1840 Practically Unc., considerable mint lustre. $3.15.
1841. Practically Unc., with brilliant mint Illstre.$2.00.
1842 EF; slightly chafed in field. $1.35.
1843 EF; nearly Unc. $2.00.
1844 Brilliant semi-Proof, Light hairlines in field. $2.40.
1845 EF, nearly Unc.; semi-Proof surface. $2.00.
1846 AD; sharp. $2.00. '
1846-O Practically Unc.; some mint lustre. $2.25.
1847 Br. semi-Proof; about equal to a Br. Proof. $1.45.
1848 Unc., with considerable Proof surface. $2.40.
1849 Unc. Bright surface. $2.00.
1850 Proof. Very slightly chafed in field. $3.60.
1850-O EF, nearly Unc, $1.20.
1851 Unc., brilliant semi-Proof surface. Sharp and absolutely perfect. $75.00.
1852 EF. Has been a 'proof and now is with bright semi-Proof surface. $66.00.
1853 Unc, A beautiful frosty mint surface. $3.15.
1854 EF, bright surface. A few pin-point nicks in the field which do not mar the piece in the slightest degree. $4.25.
1855 Unc.; frosty mint surface. $5.00.
1856 Unc., with brilliant semi-Proof surface. Light hairlines in field. $3.40.
1857 Proof $4.25.
1858 Br. sharp Proof $33.50. 1859 Br. Proof $2.00.
1859-O Practically Unc. mint lustre. $2.00,
1859-S Practically Unc. with frosty mint' surface. '$3.00.
1860 EF, semi-Proof surface. $2.00.
1860 Br. Proof $2.40.
1861 Proof, sharp. $2.75.
1862 Br. Proof $2.00.
1863 Light purple Proof $2.30.
1864 Br. Proof $2.60.
1865 Br. Proof $2.00.
1866 Proof $2.00.
1867 Br. Proof $2.00.
1868 Sharp Br. Proof $2.00.
1869 Br. Proof $2.00.
1870 Light purple Proof $2.00.
1870-CC Wide CC. Br. semi-Proof; about equal to a Br. Proof. $9.50.
1870-CC Close CC. EF, sharp; nearly Unc, $6.25.
1871 Light purple Proof $1.40.
1871-CC VF, sharp, with considerable mint lustre. $32.00.
1872 Br. Proof $1.30.
1872-CC Unc., Br. Proof surface. $8.50.
1872-CC VF$2.60.
1872-S Br. semi-Proof $4.50. 1873 Br. Proof $1.50.
1873-CC Strictly Fine $9.00.

The United States Coin Co., Inc. sale of the John Brooks Collection, December 10, 1914, was decent but not memorable, with the exception Of Proofs of 1851, 1854, and a few later dates.
1840 VF $1.25.
1841 VF $1.15.
1842 VF $1.15.
1843 Fine $1.10.
1844 VF $1.10.
1845 Fine $1.25.
1846 VF $1.20.
1846-O Fine $1.20.
1847 EF $1.15.
1848 VF $1.25.
1849 Fine $1.15.
1850-O VG $1.10.
1851 Br. Proof. Sharp, beautiful impression. $84.00 [Buyer: Elmer Sears].
1852 good but plugged. $9.00 [Buyer: Elmer Sears].
1853 Fine, scarce. $1.50.
1854 Br. Proof, sharp, beautiful piece. $27.00. [Buyer: Hillyer C. Ryder].
1855 Fine, but plugged over head, $1.00.
1856 Fine $2.20.
1857 Proof, very slightly impaired. $3.00.
1858 Br. Proof $27.50.
1859 VF $1.20.
1859-S Good $1.15.
1860 Br. Proof $1.30.
1860-O EF, mint luster with Proof surface, $1.20.
1861VF $1040.
1862 Fine $1.15.
1864 Unc., Proof surface, $1.30;
1865 EF $1.20.
1866 Unc. $1.25.
1867 EF $1.10.
1868 Br. Proof $1.25.
1869 Br. Proof$1.30.
1870 Br. Proof $1.50.
1870-CC Fine $1.45.
1871 Br. Proof $1.20.
1871-CC EF $27.50.
1872 Br. Proof $1.20.
1873 EF $1.10.

Henry Chapman's sale of the William F. Brown Collection, January 16, 1915, offered some average early dates (the 1840 being an exception) followed by many desirable Proofs from the 1850s onward.
1840 Proof surface and, while not struck as a Proof, it is a very brilliant and remarkable specimen. $15.00.
1841 EF. Mint lustre. $1.70.
1842 EF. Slight prooflike surface. $1.30.
1843 EF. Mint lustre. $1.25.
1844 EF $1.30.
1845 EF $1.50.
1846 EF. Slight Proof surface. $1.20.
1847 EF. Mint lustre. $1.25.