https://www.kashrut.com/Alerts/?alert=A5084 seems like may be an issue.
I was never sure myself that's why I wrote it just has a K thanks for the article.
Kashrus alert on various Planters Nut Products
From the COR Detroit on July 29, 2015 with additional information on December 31, 2016:
PLANTERS NUT PRODUCTS are acceptable only when bearing an OU symbol. Products bearing a K (which include most Planters Dry Roasted items) may contain gelatin, or may be produced on the same equipment as gelatin-containing products.
Planters Honey Roasted Cashews in the 3 oz. size bears an OU, but the 1.5 oz. size bears a K because it is not produced on an OU approved production line. Every package should be carefully checked for the OU symbol.
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כל האומר דבר בשם אומרו, מביא גאלה לעולם אבות ו"ו