I have a fair number of hours flying but zero experience buying. This is what I was told and it may be 100% completely accurate I am interested in the thoughts of other members
“Oil filter was cut open, pleats cut out and rinsed into avgas. In the picture is the total removed from the filter, mostly carbon deposits, thats in about a 1/4 cup of av gas. The ferrous material is on the magnet laying on a ruler for scale. Nothing unusual, if anything less than normal.”