Are you saying you could not find a new spade, or you have been looking on the second hand market? There was a spade on the market not so long ago. I can remember because it was called something else and I pointed it out to GMac for a laugh.
If you want new, I am sure someone can send you one. But freight maybe a killer.
I don't if spade is exported. Can I also suggest you look at the Manson Supreme. It seems to be a fine anchor
and a lot here have had good results.