@thisisaaronland@orthis.social Hey hey, from the same collection, looks like.

@Sxan@piefed.zip You can read more about them here and here. I suspect the one I have is just artistic but the other ones may have been functional

https://en.wikipedia.org/wiki/Marshall_Islands_stick_chart

https://blogs.loc.gov/maps/2021/11/the-unique-seafaring-charts-of-the-marshall-islands/