Image of a <a href="https://en.wikipedia.org/wiki/U.S._Parcel_Post_stamps_of_1912-13" class="extiw" title="en:U.S. Parcel Post stamps of 1912-13"><b>Parcel Post stamp</b></a> with pre cancel
Bureau of Engraving and printing
U.S. Post Office; Original photo image obtained from Ebay. <a rel="nofollow" class="external text" href="https://www.ebay.com/itm/331211984500?item=331211984500">eBay item 331211984500</a>