Section 8I. The identification card shall resemble in appearance, so far as is practicable, a license to operate motor vehicles. It shall adequately describe the registrant, and bear the following:—”Commonwealth of Massachusetts”—”identification card No. ”, ”this card is provided solely for the purpose of establishing that the bearer described on the card was not a holder of a valid license to operate motor vehicles as of the date of issuance of this card”. The identification card shall be sealed in transparent plastic or similar substance.