Curve: C or D?

so, remember this from a while back :

"but more to the point .. did all cd copies of the album come with doubled up inner sleeves as a spin off from the album name .. or is that just me being a little too nerdy ?

― mark e (mark e), Tuesday, August 23, 2005 1:53 PM (eighteen years ago)
"

well, a twitter account posted this weekend re the album, so i asked the question re the doubling up.

and look what happened :

𝘾𝙐𝙍𝙑𝙀
liked your reply
question : was i only the person who bought this on cd to find the inner booklet doubled up ?
i assumed it was a play on the album name ..

!!!