> [...] This artwork emblazoned CDs and posters up until version 6.0, after which we stopped producing product and only release software on the internet.
See also [0]; you should be able to make your own t-shirt with official logos, and donate as usual [1,2,3]
What with the artwork thumbnails for the first row of the "CD-Rom era" (6.0 - 5.2) not matching the artwork shown at the top of the linked page when you click it? Some of those look really interesting, but you get something entirely different when you try to find a larger version.
> [...] This artwork emblazoned CDs and posters up until version 6.0, after which we stopped producing product and only release software on the internet.
See also [0]; you should be able to make your own t-shirt with official logos, and donate as usual [1,2,3]
[0] https://marc.info/?l=openbsd-misc&m=155439809001096&w=2
[1] https://www.openbsd.org/donations.html
[2] https://www.openbsdfoundation.org/campaign2019.html
[3] https://www.openbsdfoundation.org/donations.html