Annual tournament held in Eugene OR.
Oh-Pin is similar to PAPA style because you’ll play a card and that card will have a score. Like PAPA, all scores on the machines will be kept. The difference is that your card will consist of two (2 of 3) machines from a time period of your choice. Buy in of $10 will get you 3 cards (one card for each time period). Each additional card will cost $5.
A lot more details: https://www.facebook.com/events/284736998638292/