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V17 2014 INDEX       E-SYLUM ARCHIVE

The E-Sylum: Volume 17, Number 10, March 9, 2014, Article 18

BRITISH MUSEUM UNVEILS COIN MAPPING SYSTEM

A new mapping system created by the British Museum allows users to visualize the location of hoard coins found together with the locations of the mints which created them. Looks like fun. I'd be curious to learn what researchers think after using it. Give it a whirl! -Editor

Loose change coin maps

Today sees the launch of Lost Change, an innovative and experimental application that allows coins found within England and Wales and recorded through the British Museum’s Portable Antiquities Scheme (PAS), to be visualised on an interactive, dual-mapping interface. This tool enables people to interrogate a huge dataset (over 300,000 coin records can be manipulated) and discover links between coins’ place of origin (the issuing mint or a more vague attribution if this location is uncertain) and where they were discovered and then subsequently reported to the PAS Finds Liaison Officers.

While much of the the data is made available for re-use on the PAS website under a Creative Commons licence, some details are closely guarded to prevent illicit activity (for example night-hawking or detecting without landowner permission) and so this application has been developed with these restrictions in mind. An object’s coordinates are only mapped to an Ordnance Survey four-figure National Grid Reference (which equates to a point within a 1km square), and only if the landowner or finder has not requested these to be hidden from the public.

The tool is straightforward to use. The left hand pane holds details for the place of discovery; the right hand side holds details for the place of issue, the mint. These panes work in tandem, with data dynamically updating in each, depending on the user’s choice.

To read the complete article, see: Lost Change: mapping coins from the Portable Antiquities Scheme (blog.britishmuseum.org/2014/02/19/lost-change-mapping-coins-from-the-portable-antiquities-scheme/)

Wayne Homren, Editor

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