Stamps and Maryland have special ties, in 1774 William Goddard inaugurated the nation's first ever actual post office! So you can say our roots run deep, just like yours! What better way to show your grassroots pride than with this custom self-inking “Maryland Grassroots Return Address Stamp”! Just like with the dental society's oral roots, it all started at the University of Maryland (pun intended). So let us at Simply Stamps help you show off your state pride with this unique and one of a kind stamp. Let your roots show!