Step 1: Identifying the font styles.
The task is to identify which letterbox has a different font style compared to the others. By closely inspecting the numbers and font weight, we notice that the font style of one letterbox differs from the rest.
Step 2: Analyzing the options.
(A) 1262: This font is consistent with the other options.
(B) 1263: This font is consistent with the other options.
(C) 1264: This font is consistent with the other options.
(D) 1265: This font is different, as it uses a different weight or style compared to the other options.
Step 3: Conclusion.
The correct answer is (D) because it has a different font style from the rest.