Yes, as I read the regs, a unit 65 PLO either sex tag is an A tag, and unit 65 PLO cow tag is a B tag. Since you already have another B tag then you can take your pick of the unit 65 PLO either sex or cow tag. You can get one A and one B tag per year, or two B tags, so as long as there are tags available and you have permission to hunt on private land in 65 then you can pick either one.
Let me start by telling you the story of two Johns.
John number one went on a day hike with a couple of friends in the Cascade Mountains about an hour from Seattle. He somehow got separated from his buddies and became lost. John was dressed in casual cloths for a warm weather day hike and had nothing but a lunch with him. He spent three days in those mountains and luckily made it out to tell the story.
John number two, a friend of John number one, was much better prepared when...