I believe this planter was made by Weller.  I saw another with the marking.this one measures approx. 5 ½" tall and 6" across the top.  Some glaze imperfections as can be seen in the photos. 

This vintage ceramic planter is a beautiful addition to any home decor. Made in the USA in the mid 20th century, it features a classic off-white color and is perfect for displaying your favorite flowers or plants. The production style is art pottery and the production technique is pottery, giving it a unique and authentic look.

The planter is a vintage original and is made of high-quality ceramic material. It is perfect for anyone who loves vintage pottery or wants to add a touch of classic elegance to their home. Use it to create a beautiful garden or simply as a decorative piece, this planter is sure to bring joy and charm to any space.

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