Announce by Athearn today, is a run of 52' Mill Gondolas in both HO and N scales. They are offering 2 numbers for the Frisco. HO scale price is $37.99 and N scale price is $34.99. http://www.athearn.com/newsletter/082622/06_ATHHO_52ft_Mill_Gondola_082622.pdf http://www.athearn.com/newsletter/082622/10_ATHN_52ft_Mill_Gondola_082622.pdf
While doing a sweep through manufacturer sites, I found that Athearn has added a production photo of the HO scale model from this run. It's still marked as pre-order, so they haven't shipped out yet, but they should start hitting stores in another 2-3 weeks I would bet. https://www.athearn.com/product/ho-52-mill-gondola-slsf-65162/ATH8185.html