Here are two photos you will not see every day.
The first photo dated 1943.
The second photo dated 1942, but I think they are either late 1942 or early 1943 because that is when the US government started the metal restrictions for World War II. (Others can clarify the exact date if possible)
Either way the second photo of the stack of marching drums does say.
" Bettie Ludwig testing wood tension drums . The first lot of W.P.B. Drums 1942 "