This 31-card set features black and white photos which measure 3 3/4" by 5 1/2" of the 1981 Seattle Mariners printed on postcard-size cards. The cards are unnumbered and checklisted below in alphabetical order. All Mariners postcards from 1981 to 1984 were issued in the 3 3/4" by 5 1/2" and all have postcard backs.
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