After several tries that failed, we have just received the latest proof cover material printed and embossed with fine gold foil stamping. It is now ready for the "acid" test. (But we are not using acid, just water.)
This first video is the set up for the testĀ
youtube
The second video is the results of the test after soaking the cover in a water bath for 10 hours.
https://youtube.com/shorts/HopfqZ3XR_k
