Better late than never, I had totally forgotten to list my Amazon Merch sales for December 2020, so here they come together with two sales from January 2021:
Three products with four sales in total – on German Amazon.de. These are probably the only two designs I can sell from time to time, the other funny phrases are not that successful.
I could manage to sell a t-shirt on the Spanish marketplace though:
And one in the USA: