Michael here from REW’s SEO department.
Normally we’d recommend staying clear of duplicate content, but I can understand the reasoning behind hosting duplicate content in different locations on your site in this instance. It will help keep users in that section of the site, and ensure the breadcrumb links work properly.
In this case, I would suggest incorporating a canonical tag on the duplicate page. A canonical tag is essentially a way for you to acknowledge a page is duplicate and direct search engine crawlers to the page you designate as the original or canonical version of that content.
Here’s a bit more info: https://moz.com/learn/seo/canonicalization
It appears as a short block of code that should be placed in the section of the page with the duplicate content. In your case, it would look something like this:
I hope this helps.
All the best,
Squad Lead, SEO