It is the buyers responsibility to examine all items to determine if an item is safe for use.
The buyer accepts all responsibility for use of items purchased
------
We have a few of these - a Campagnolo Nuovo Record 52 tooth chainring brev marking NOS but there is no pin - however there is a hole where it should be. Interestingly, the ring has no packaging but seems to have fewer shopwear marks than many typical NOS rings we see. So if you are ok without the pin (the pin that prevents a chain from sliding into the gap between the arm and spider on a mis-shift) then this is a great way to get Campy fresh chainring goodness at a nice price. And remember, early cranks didn't even have the pin. The photos are representative of the ring you will receive.