I had some Ilfobrom from the 60's also Kodak Bromide papers and both were fine no base fog and not much drop in contrast maybe half a grade. I gave away about 500 sheets ironically on the Ilford car park at Mobberly.

It's warmtone papers that age the quickest but I've my fingers crossed for the Barnet paper I acquired recently.

barnet-paper.jpg

I've also some plates for my Quarter plate cameras, I cut my teeth on HP3 .

barnet-plate.jpg hp3.jpg

You never know until you try these older items but might be surprised.

Ian