Here is a pack of cards based on a children's television series. This is the 1996 Upper Deck Princess Gwenevere and the Jewel Riders. There are 8 cards per pack. The set contains 73 cards, divided into sequentially-numbered subsets and an "insert" set. Cards 1-30 feature scenes or items from the TV show. Cards 31-45 are actually "Stick-Ums" stickers. Cards 46-55 are a subset called "Discover Avalon." The first "subset" contains cards numbered PS1-PS15 and feature a hidden message (more on that later). The final few cards are the "Jewel Reader Cards," numbered JR1-JR3 which decode the aforementioned hidden message cards. The cards are standard 2" x 3" size.
Most of the cards in the set (and in the pack) are the 1-30 series, showing a scene from the show. The cards feature a borderless image that is given an overlay "border-esque" feature in a semi-transparent white frame featuring pink and white hearts and flower/gem kinda thing. The Upper Deck logo in pink rests in the lower left corner and the show's logo rests in the lower right. In the center of the bottom of the card, we have the card's title in a pink script. On some cards, this is all very hard to read.
The first card out of the pack is "The Heart of Avalon," which is number 29:
I was able to find a checklist detailing the various cards, stickers, etc: