Original 1900 Arm & Hammer "Fish Series" trade card No. 13 featuring the Common Eel (Anguilla Bostoniensis), issued by Church & Dwight Co. as part of a 30-card promotional set for baking soda and saleratus. The card also promotes the Sand Eel on the reverse.

🧾 Details:

• Publisher: Church & Dwight Co., New York

• Copyright: 1900

• Series: Fish Series, Set of 30

• Number: 13

• Features: Full-color lithograph, promotional ad on back

• Reverse: Text promoting Arm & Hammer Soda + eel facts