2020-d tallgrass prairie struck through grease and a 1925-d lincoln either struck through grease obv & rev, or thin planchet,, weighs 3.0 grams
1971-d cud on rev kennedy half dollar and a 2019-d trustees garden dollar with strike through at liberty's neck and throat
i believe a combination of both, mark and looks like struck through rim burr, and on right small cud..