Nevada County Postmark Collection. Approximately 100 covers and cards; most 20th century to modern with strength in 1900-50's, early postmarks with 1880 Boca, scarce 1903 Flood, Nevada Wells Fargo express, 1890's Omega, 1860's Red Dog, 1889 Spenceville, 1895 Sweetland, Truckee from 1882, 1880 You Bet; clear readable strikes throughout (no photo). Estimate  $200 - 300. $0