And just imagine what that penny could actually buy in 1865...
From measuringworth:
Current data is only available till 2008. In 2008, $0.01 from 1865 is worth:
$0.14 using the Consumer Price Index
$0.12 using the GDP deflator
$1.18 using the unskilled wage
$1.67 using the nominal GDP per capita
$14.44 using the relative share of GDP