Yes but it is a matter of timing. Back when I first got interested in numismatics in the 1960's confederate currency was still worth less than its face value. The larger denominations much less. You could buy decent Confederate 10's 20's and 50's for two or three dollars apiece. !00's might cost you $10. And it had taken 100 years to get them to come up to that value. Now they are much higher.