United States, Cover Balance, 1749-1880's. 21 covers in dealer slips; few colonial usages including Boston and New York, 1851, 1¢ & 3¢ usages including green Delphi, N.J. town, 1857 usages including California and Oregon, later foreign, etc.; dealer retail $6,920, worth evaluation. Estimate  $1,000 - 1,500. $0