Exhibit 99.1

INSTRUCTIONS FOR USE OF SPECTRUM GROUP INTERNATIONAL, inc.

SUBSCRIPTION RIGHTS CERTIFICATE

The following instructions relate to a rights offering (the “Rights Offering”) by Spectrum Group International, Inc., a Delaware corporation (the “Company”), to the holders of its common stock, par value $0.01 per share (“Common Stock”), as described in the Company’s prospectus dated [·], 2012 (the “Prospectus”). Holders of record of Common Stock at the close of business on [·], 2012 (the “Record Date”) will receive at no charge transferable subscription rights (each, a “Subscription Right”) to purchase up to an aggregate of 19,713,523 shares of Common Stock at a subscription price of $1.90 per share (the “Subscription Price”), for up to an aggregate purchase price of $37.5 million in cash. Each stockholder will receive one Subscription Right for each share of Common Stock owned on the Record Date and each Subscription Right will entitle its holder to purchase 1.4 shares of Common Stock at the Subscription Price (the “Basic Subscription Right”). The Company will not issue fractional shares, but rather will round down the aggregate number of shares the holder is entitled to receive to the nearest whole number.

Subject to the allocation described below, each Subscription Right also grants the holder an oversubscription right (the “Oversubscription Right”) to purchase additional shares of our Common Stock that are not purchased by other rights holders pursuant to their Basic Subscription Rights, subject to the ownership limitations set forth in the Prospectus. You are entitled to exercise your Oversubscription Right only if you exercise your Basic Subscription Rights in full. If you wish to exercise your Oversubscription Right, you should indicate the number of additional shares that you would like to purchase in the space provided on your Subscription Certificate. When you send in your Subscription Certificate, you must also send the full purchase price in cash for the number of additional shares that you have requested to purchase (in addition to the payment in cash due for shares purchased through your Basic Subscription Right). If an insufficient number of shares are available to fully satisfy all Oversubscription Right requests, the available shares will be distributed proportionately among stockholders who exercised their Oversubscription Rights based on the number of shares each stockholder subscribed for under its Basic Subscription Rights. The Company reserves the right to reject any oversubscription and will, in most cases, reject an oversubscription to the extent the stockholder together with its affiliates would own 20% or more of the Common Stock after the oversubscription is exercised. If the Company rejects any oversubscription, then such person will be allocated only that number of shares for which the person is permitted to purchase, and the remaining shares of Common Stock will be allocated among all other persons exercising the Oversubscription Right on the same basis described above. The allocation process will be repeated until all shares of Common Stock have been allocated or all oversubscription requests have been satisfied, whichever occurs first. If there are not enough unsubscribed shares to honor all requests pursuant to the Oversubscription Right, a portion of requested shares will not be fulfilled. The subscription agent, American Stock Transfer & Trust Company LLC (“the Subscription Agent”), will return any excess payments by mail without interest or deduction promptly after the expiration of the subscription period.

Subscription Rights are fully transferable and may be sold, assigned, or otherwise transferred by endorsing the reverse side of the Subscription Certificate and by having the transferor’s signature guaranteed by an eligible guarantor institution. Subscription Rights are also transferable by operation of law (for example, upon the death of the recipient). However, the Company reserves the right to reject, in whole or in part, any subscription tendered in the Rights Offering other than subscriptions tendered by our existing shareholders as of the Record Date pursuant to their Basic Subscription Rights.

THE SUBSCRIPTION RIGHTS WILL EXPIRE AND WILL HAVE NO VALUE AT 5:00 P.M., NEW YORK CITY TIME, ON [·], 2012, SUBJECT TO EXTENSION OR EARLIER TERMINATION (THE “EXPIRATION DATE”).

The number of Subscription Rights to which you are entitled is printed on front of your Subscription Certificate. You should indicate your wishes with regard to the exercise of your Subscription Rights by completing the appropriate sections of your Subscription Certificate and returning the Subscription Certificate to American Stock Transfer & Trust Company LLC, the subscription agent.

THE SUBSCRIPTION AGENT MUST RECEIVE YOUR COMPLETED SUBSCRIPTION CERTIFICATE ON OR BEFORE THE EXPIRATION DATE. IN ADDITION, THE SUBSCRIPTION AGENT MUST RECEIVE PAYMENT OF THE SUBSCRIPTION PRICE, INCLUDING FINAL CLEARANCE OF ANY CHECKS, FOR ALL SUBSCRIPTION RIGHTS EXERCISED ON OR BEFORE THE EXPIRATION DATE.

If you exercise less than all of the Subscription Rights evidenced by your Subscription Certificate, the Subscription Agent will issue to you a new Subscription Certificate evidencing the unexercised Subscription Rights upon your request. However, if you choose to have a new Subscription Certificate sent to you, you may not receive any such new Subscription Certificate in sufficient time to permit exercise of the Subscription Rights evidenced thereby.

The amount of time needed by your transferee to exercise or sell its rights depends upon the method by which the transferor delivers the Subscription Certificate, the method of payment made by the transferee and the number of transactions which the holder instructs the Subscription Agent to effect. You should also allow up to ten business days for your transferee to exercise or sell the rights transferred to it. Neither we nor the Subscription Agent will be liable to a transferee or transferor of Subscription Rights if Subscription Certificates or any other required documents are not received in time for exercise or sale prior to the Expiration Date.

You will receive a new Subscription Certificate upon a partial exercise, transfer or sale of Subscription Rights only if the Subscription Agent receives your properly endorsed Subscription Certificate no later than 5:00 p.m., New York City time, on [·], 2012, five business days before the Expiration Date. The Subscription Agent will not issue a new Subscription Certificate if your Subscription Certificate is received after that time and date. If your instructions and Subscription Certificate are received by the Subscription Agent after that time and date, you will not receive a new Subscription Certificate and therefore will not be able to transfer or exercise your remaining Subscription Rights.

You are responsible for all commissions, fees and other expenses (including brokerage commissions and transfer taxes) incurred in connection with the purchase, sale or exercise of your Subscription Rights, except that we will pay all fees of the Subscription Agent associated with the exercise of Subscription Rights. Any amounts you owe the Subscription Agent will be deducted from your account.