Dummer currently has 6 mapped postboxes recorded by The Postbox Hunter. The postboxes in Dummer include 3 recorded royal cyphers. The most common is GR, recorded on 2 postboxes, representing 33.3% of the mapped total. Other recorded cyphers include EIIR and EVIIR. Among the recognised royal cyphers in the data, EVIIR is the earliest recorded and EIIR is the most recent. The most commonly recorded postbox type is Lamp, with 4 mapped examples. The data contains 3 different recorded postbox types. Across the available tagging data, 1 design are represented. This information is generated from the latest postbox location and tagging data available to The Postbox Hunter.