ADC-1c-1960D(SD)-23
This 1960 small date Denver Lincoln cent shows three distinct clash marks. The first clash event produced a clash mark from the Memorial building roof line through the date. Notice that the mint mark is a RPM with a split bottom serif. See image below for a more detailed view of the mint mark.
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A lower split serif can be seen in the D mintmark.
The top of Lincoln’s head has been clashed through the letters of ONE CENT.
The lower bust line of Lincoln has been clashed through the letters of STATES.
These clash events can be recognized by the two diagonal die scratches seen above the RT of LIBERTY and the small die chip in the C of CENT.