For the typical 36 page 4 color comic books, 1969 was the year that the majority went from 12 cents to 15 cents. 68-84 page comics were 25 cents. Not 100% sure, but I believe the black and white...
Depends on condition, age, scarcity, and interest to collectors. Some comics are worth a great deal of money, others end up in bargain bins, worth less than their original cover price.
Search for...