Here’s the earliest calendar I have. I have not seen many of theses so I do not know the run, or how many were made. If they were produced before the war they would certainly be extraordinary documents. Anyhow, to 1944:
A nice way to start things off, even before the Stalin portrait.
The colour image is tipped in, but tipped in all crooked.
I’m a sucker for these type of Soviet growth visualizations, a staple of the 5-year-plan period. Ever bigger, ever higher!