| 摘要 |
<p>The invention concerns a payment instrument on all types of networks and particularly on Internet, comprising a flat rectangular medium bearing a serial number (3) as identification means, characterised in that said medium further comprises the mention of a certain sub-amounts (6) the sum of which constitutes the value (1) of said payment instrument, a box (7) being associated with each of the sub-amounts (6) and said box (7) bearing a masked code number to be revealed by scraping, said payment instrument value being decreased by the sub-amount(s) associated with the box(es) whose code number has been revealed by scraping.</p> |
