[oldeboo]

What FACTS show that ALL of the R310s were released by Curtiss/BUTTERFINGER?

Some FACTS that we know:
FACT 1. V94 O-Pee-Chee product was named BASEBALL GUM
FACT 2. Box topper from OP shows a General Gum product named BASEBALL GUM
FACT 3. Box topper from OP shows the same address for General Gum as one of the properties that Curtiss Candy operated
FACT 4. Box topper from OP describes 8x10 pictures which are, perhaps, coincidentally the same size as R310
FACT 5. Not even ONE overprinted BUTTERFINGER R310 has been found that exists in the V94 BASEBALL GUM set (wonder why that would be)
FACT 6. More R310 subjects exist than V94 BASEBALL GUM subjects (again, wonder why that would be)
FACT 7. General Gum had product names that were very, well, general, such as Movie Gum and Button Gum
FACT 8. It would be much more likely for an overprinted BUTTERFINGER to exist than a standard box topper ad which would be more disposable. It's not a stretch to say store owners would have given away used or extra BUTTERFINGER ads when new orders came in. It's also not a stretch to say the BUTTERFINGER overprint is different than a standard store ad/box topper because it so closely resembles the actual product. (call that an opinion if you wish)
FACT 9. Only a "FOXX" variation has been found in the V94 BASEBALL GUM set
FACT 10. There is a "FOXX" and "FOX" variation found in R310
FACT 11. Babe Ruth has not been confirmed with a BUTTERFINGER(Curtiss Candy) overprint
FACT 12. Wonderful hobby resources, such as the ACC, have been wrong before or incomplete
FACT 13. For a long time people in the hobby incorrectly called V94...BUTTERFINGER (sound familiar?)
FACT 14. The standard R310 has nothing printed on it to clearly identify brand
FACT 15. There have been 65 black and white photos printed on roughly 8x10 thin stock identified, with NO branding, that have been categorized as R310
FACT 16. An O-PEE-CHEE BASEBALL GUM document describes "A large 6.5x8.5 picture of your favorite baseball star"
FACT 17. The OP item describes "A large 8x10 picture of your favorite baseball star"

That's a few to start...

Is it significant that there have been plenty of overprinted BUTTERFINGERS found, but NONE of them exist in the V94 BASEBALL GUM set?
Yes, and that's an OPINION based on FACTS.

What is the likelihood that a supplemental distribution occurred from another brand that would be identical to the R310 BUTTERFINGERS?
Very high, and that's an OPINION based on FACTS.

I can form a long list of OPINIONS based on FACTS, but I'll just start with the two above.

Really curious to see the FACTS that prove R310 was exclusive to BUTTERFINGER. There are a lot of OPINIONS being formed here, but let's base them off of FACTS.