The $15 of HOLIDAY MAGIC is redeemable November 1-10, 2002
The card was sent as part of a previous promotion when somebody spent over a certain amount($75) within a certain period.
From the card:
"
On the web: Log on to Disneystore.com. If you're not a registered member, you need to register first. When you begin the checkout process, type the coupon code HOLIDAY into the text box on your Shopping Cart page.
On the phone: Call 1 800-237-5751 to place your order with Disney catalog. Mention the coupon code HOLIDAY to the Cast member
"
-Card valid for one transaction only
-not valid with any other sales promotion, gift or discount
I suspect that the physical card was meant to control the use of this promotion.