Welcome.
Your stamps were the workhorses of the era with literally hundreds of millions produced over many years. Due to the long production run, there were a number of running changes made to the stamps over time and these are now assigned different catalog numbers. The overwhelming majority of stamp with this design are worth only pennies; but collector sometimes enjoy hunting for the less common varieties. You can learn more about your stamps here
https://stampsmarter.org/1847usa/wa...ankmain.htmlYou can read about the 'lines' on some stamps here
https://stampsmarter.org/learning/I...reLines.htmlOf the stamps you show, this pair (called a 'line pair') may have a bit of value, deserves a closer look and a definitive ID (check perforation) .

Don