Coated or black * note and stained cash can be sent to us and we take them through a test which determine how much of the liquid is required and if the black * is cleanable or damaged and that its authentic. For services that include having our technical team or a member of the technical team going to your site to test and verify the amount and quality of job to be done a fee is applicable and travel expenses are relayed to the client.In the event that you need such services please visit the service request form and state what you require clearly,