I Found This 1943 S, In Some Penny Rolls I Bought Off Ebay.

It looks as if it shows the outline of a 5.

This appears to be a 1945.
The bottom tip of the three from 1943 extends below the bottom line of the other numerals in the date. The bottom tip of the terminal digit on the OP's coin stops much too high to be a 1943.

Good point Zurie . If it is a San Francisco issue, it's not uncommon to see the 46 weaker than the 19.

1946

I went to the cell phone photo and tried to darken it a little.

I'm thinking 1945, Note how the bottom of the 3 and the 5 look similar on the bottom of the digit on this coin. Obvious damage to try to cover that up.

Every "4" on the Lincoln cents from the decade of the 1940s has a different shape, including the two fours on a 1944. It is possible to identify the date of any 1940s cent by drawing just two lines and observing two specific factors.

Draw a line from the top of the "1" across the top of the "9." This will establish whether the "4" is north of the line, level with the line, or south of the line.

Draw a line from the bottom of the "1" across the bottom of the inside curl of the "9." Where it intersects the inside and vertical of the "4" will establish two easy reference points for comparison.

Compare the shape of the "4" to the other similarly located "4" to lock in the date.

In the case of your coin, the two lines conclusively rule out a 1943.

Here is a 1943 cent:


Here is your coin:


A "4" on a 1943 cent is above the line across the top of the "19" of the date. Your "4" is well below that line.

The line from the bottom of the "1" aligning with the tip of the inside curl of the "9" intersects the inside of the "4" at the very top of the inside triangle. The same line on your coin is well within the triangle.

Your coin cannot be a 1943.

Now compare both the elongated shape of your "4" and the lines with a 1946 cent:


Your coin is a damaged 1946-S Lincoln Cent.

T-BOP: if it was proved to be a 1943 on a copper planchet it would be very rare. Even in this condition it would be worth something.
fortcollins: Thanks for the education. It is always nice to learn something new.