Others will be added over time. If you'd like tracking or the cardboard mailer on a less expensive item, please select the tracked package option on checking out. The item "1928 zeppelin flight card C5x3 with seapost postage due marking y4201" is in sale since Wednesday, June 5, 2019. This item is in the category "Stamps\United States\Covers\Postal History".The seller is "paperhistory" and is located in Solon, Ohio. This item can be shipped worldwide.