Oh no! Several cards at once for you looking like this??!? No, Iโve never encountered such a thing (only a single letter which looked like it had gone through a gray glitter explosion and opened itself up - but it was only the envelope and content still present and safe).
Thatโs really sad and odd that there are so many of them.
The chaffinch is from week 3, sent on February 6th and it looked like this with a head
Hurray! Today I received another postcard from @bencoste. Itโs so nice that while on the trip you remembered me! The postcard is wonderful! thank you very much.
I have not had any that bad @Dar but I did get half of a wooden postcard. I hope the next cards get there without incident. You might be interested in this topic.