The History button found under the Print Marketing menu will show the history of all postcard jobs, automatic or on demand, since the introduction of the history feature.
In the above illustration, you can see that the Birthdays job ran twice, the Major Purchases job ran once, and there was also one on-demand (Order Now) job for a Ladies Night event.
Highlighting a row and clicking the Details button will yield a list of customers to whom the cards were sent.