Yes. The change was in 1958-1959.
Yes. In 1944 they were all wheat ear reverse pennies.
No, wheat pennies were primarily made of copper during 1909-1942 and in 1944-1958. In 1943, due to copper shortages during World War II, steel pennies were minted which are distinctly different in appearance.
All of them. If you have wheat pennies don't spend them save them.
No. Only if it was made at the Denver or San Francisco mint.
Yes, all 1958 Lincoln cents are " Wheat Ear Reverse" coins. 1958 was the last year for this reverse design.
All pennies from 1944 have the wheat ear reverse.
Yes, but not just wheat penny's, every US coin made (except modern bullion coins) that does not have a mintmark was struck in Philadelphia.
All wheat pennies are bronze, so please be more specific and post new question.
Pennies minted before 1982, which includes all wheat pennies (except in 1943) contain 95% copper and weigh 3.11 grams.
25,771,428,376
All of them are collectible, some are worth more than others.
Earlier years are more valuable than later coins. The more collectible wheat pennies are pre-WWII.