Coins and paintings by the Prussian Cultural Heritage Foundation
For several weeks, user Raymond had already been working with the Prussian Cultural Heritage Foundation in Berlin to make a partial stock of available images available to the general public and under Free License. By early July 2022, the foundation had also committed itself to the Open Access Idea and placed numerous photos from the Gemäldegalerie and the Münzkabinett under the CC0 license.
Raymond supported the responsible persons in uploading the first photos of paintings (about 100 so far) and of coins (almost 9200 so far) to Wikimedia Commons. Thanks to Holger Plickert of Wikimedia Deutschland, the contact between the Prussian Cultural Heritage Foundation and Raymond was established as volunteer support. For the upload of the first convolute, the first task was to establish an understanding of the available and necessary metadata for the paintings and to find the most efficient way for the upload. Repro photos of the paintings were still uploaded to Wikimedia Commons with Pattypan, where mainly user Wuselig did the linking and post-processing on Wikidata.
For uploading the disproportionately large amount of coin images and associated data, Raymond received a hint from Lucy Patterson of the WMDE team (WMDE) about a beta version of OpenRefine that also supports uploading to Wikimedia Commons. Using this tool, he was able to prepare the metadata for the nearly 9200 coin photos and then upload them. Future images from the foundation - and they have been announced - will probably be uploaded directly using OpenRefine, which will significantly reduce the linking work.
The images uploaded so far are now of course available to all Wikimedia projects and can be incorporated into Wikipedia articles, among other things. Before this happens, however, the coin images in particular still have to be systematically processed: a fine categorization is necessary and in Wikipedia they have to be put into a meaningful context and integrated into the corresponding articles. All knowledgeable interested parties are invited to participate. The images can be found in a common Category on commons, the coin photos are additionally sorted in 20 individual categories by chronological order.
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