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Valentine's Day Cards for Sister

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Shopper Testimonials
“I absolutely love this company. I like that I can buy cards that are personal to the receiver....for example....I purchased a card that read Happy First Anniversary to my Godson and his Wife. You don't find that at Hallmark. Also, a lot of variety. I like free shipping but you do have to plan ahead for the free' option as it takes at least 10 days or more to receive. Not a complaint...just a comment.”
Linda - Bloomington, Minnesota - Sep 29th, 2025
“I love all the cards I buy from Greeting Card Universe. They are always unusual and I can always find what I am looking for the perfect card.”
Doreen - El Paso, Texas - Sep 30th, 2025
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Cards: 224 Pages: 8
Most Popular Newest Show adult cards
Sister Valentine’s Day Cute Dog Old English Sheepd…
Sister Valentine’s Day Funny Smiling Orange with R…
Happy Valentine’s Day to Sister Lots of Hearts wit…
Full of Hearts Happy Valentine’s Day Sister card
Sister Valentine -- Hearts card
To My Sister - Hearts and Squares - Valentine’s Da…
Happy Valentine’s Day Sweet Sister Pink Hearts car…
Little Sister Valentine’s Day Teddy Bear and Pink …
Happy valentine’s Day, sister, love background car…
Sister Happy Valentine’s Day red and white roses c…
Sister Valentine Puzzle Love to Pieces card
Valentine’s Day to Sister with a Beautiful Array o…
Valentine’s Day Little Sister Teddy Bear card
Happy Valentine’s Day Sister Cute Cat in Pink Bow …
Happy Valentine’s Day to Little Sister Pretty Kitt…
Happy Valentine’s Day Sister! Pink Roses and Polka…
Valentine’s Day for Sis, or Sister Cute Husky with…
Happy Valentine’s Day to Twin Sister Pretty Kitty …
Sister Valentine Card -- Valentine Cake card
Brightly colored & textured Valentine’s Day Hearts…
Valentine’s Day to Sister a Pomeranian Laying on a…
Valentine’s Day for Sister, Hearts on Red card
Girl Bear holding a valentine for her sister card
Happy Valentine’s Day Sister Watercolor Flowers Ro…
Sister Happy Valentine’s Day - Decorative Wooden H…
Sister Valentine / Cartoon Dog with U R DA BESTEST…
Happy Valentine’s Day to Big Sister Pretty Kitty H…
Sister Custom Photos Calligraphic Heart Valentine …
Pink Roses Faux Rose Gold Sister Happy Valentine’s…
Happy Valentine’s Day to Sister Pretty Kitty Heart…
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