# Window money (transparent money)

- Canonical URL: https://www.gerhardmerk.de/window-money-transparent-money
- Post ID: 587750
- Modified: 2023-07-25T21:11:16+00:00
- Language: en

## Definition

In paper money today, a fingernail-sized, transparent opening in the paper or plastic, which consists of a transmissible safety film. If the film is held alternately in front of a light and dark background, it shows different images. This serves to make forgery more difficult. - In old documents, an area-based tax based on the number of windows in a building as the taxable base. This tax led to the number of windows being pushed down as far as possible, i.e. unhealthy building. - In the past, a levy that was also regionally widespread in Germany and that shopkeepers (Krämer; shopkeeper) had to pay. - See banknote management, bridge-Abneysches phenomenon, chip card, counterfeit protection, guilloche, security strip, super notes. Attention: The financial encyclopedia is protected by copyright and may only be used for private purposes without express consent! University Professor Dr. Gerhard Merk, Dipl.rer.pol., Dipl.rer.oec. Professor Dr. Eckehard Krah, Dipl.rer.pol. E-mail address: info@ekrah.com https://de.wikipedia.org/wiki/Gerhard_Ernst_Merk https://www.jung-stilling-gesellschaft.de/merk/ https://www.gerhardmerk.de/

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