A new in-box front fender can be found on ebay
https://www.ebay.co.uk/itm/374815093351?hash=item5744b87267:g:LuYAAOSwrZ1kjgnf&amdata=enc%3AAQAIAAAA4F670jNvhy3Asv4894nJAXljJNbokpWh9aSrwfgw9LhBsqUJl6uZY%2Bby8NFzsAHz%2B7lFSplbh3cQ6g7j35oke3ynJ%2BvLfloLuIkeO%2Bdd9qFy0peSk5tHmfS5Y9naWplL6V0ssx%2FX7oo4aYpMrWt03rVOixpOWpxZdXQ1qrq6gKprEMZzf%2FREevxQomu75TpBq8d%2FA8tyf2M5Mgb4CzvMmZvstQf1ZSxYmjvvt5IJ0Hng6uOwBCk7OfTcVUHJYdFzEzqKE8%2FfddwA9x8MXN%2F64V9kLyvcD5XgTNkDBdusOqbP%7Ctkp%3ABFBM3L-95q1i (https://www.ebay.co.uk/itm/374815093351?hash=item5744b87267:g:LuYAAOSwrZ1kjgnf&amdata=enc%3AAQAIAAAA4F670jNvhy3Asv4894nJAXljJNbokpWh9aSrwfgw9LhBsqUJl6uZY%2Bby8NFzsAHz%2B7lFSplbh3cQ6g7j35oke3ynJ%2BvLfloLuIkeO%2Bdd9qFy0peSk5tHmfS5Y9naWplL6V0ssx%2FX7oo4aYpMrWt03rVOixpOWpxZdXQ1qrq6gKprEMZzf%2FREevxQomu75TpBq8d%2FA8tyf2M5Mgb4CzvMmZvstQf1ZSxYmjvvt5IJ0Hng6uOwBCk7OfTcVUHJYdFzEzqKE8%2FfddwA9x8MXN%2F64V9kLyvcD5XgTNkDBdusOqbP%7Ctkp%3ABFBM3L-95q1i)
A few years ago I picked up a NOS E2 rear fender as a spare for my E2.