Found this last weekend, unfortunately it has been trench arted, however, it still retains it's origibal size: 118 x 30.5 mm (this geing the rim diameter) and a caliber which seems to be 20 mm. marking on one cartridge are TC R 10 10 and a French grenade as well as the letter for the metal supplier and the second one says TC APX 8 08.
![IMG_0110 D20U.jpg IMG_0110 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102832-f2d37e5afc7cf8f35510e846f164a06a.jpg)
![IMG_0111 D20U.jpg IMG_0111 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102833-02ecf56f1f025bddeba65b2ebfe83490.jpg)
![IMG_0114 D20U.jpg IMG_0114 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102831-73b5b1aa610e9d85738467417d83a88e.jpg)
![IMG_0110 D20U.jpg IMG_0110 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102832-f2d37e5afc7cf8f35510e846f164a06a.jpg)
![IMG_0111 D20U.jpg IMG_0111 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102833-02ecf56f1f025bddeba65b2ebfe83490.jpg)
![IMG_0114 D20U.jpg IMG_0114 D20U.jpg](https://www.bocn.co.uk/data/attachments/102/102831-73b5b1aa610e9d85738467417d83a88e.jpg)