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Pineapples get successively smaller each harvest. But commercial growers don't sell them so you're used to only seeing one size if you don't live in a country that grows them. I have harvested pineapples as small as an apple.

You obviously haven’t seen the tiny little pineapples they sell in Tesco. Usually they’re hard, sour, and almost inedible too.

The scale is off, I grant you, but it looks very much like a pineapple otherwise to me. The cross-hatching pattern, the leaves on top, and even the "eyes" in each diamond cross-hatch shape. The color, too.

It's not very clear to me where those 'leaves' belong to. It may be something behind.

Apart from that you've described a stone pine pinecone (which is why pineapples are called that...).