[CardPadre]

I will throw a somewhat wild guess number out since you asked and no one really has any way to know for sure.

I found a page that estimated the Goudey Ruth #53 (yellow) had a print run of around 360,000. About 1200 are in the PSA population report, meaning that 1 out of every 300 Babe Ruth #53 cards that were made ended up in the PSA population report.

So, there are 55 of the Babe Ruth R309-1 cards in the PSA population report. If we were to also assume the same ratio that 1 out of every 300 of these ended up in the report, then that would result in around 16,500 as the total made.

But did people submit these to PSA at the same rate as the standard Goudey cards, did they survive the ensuing years of storage at the same rate? Who knows. And I'm sure there are tons of other variables in play. We'll probably never know, but there's a number for you to consider...just for fun.