Welcome aboard! You didn't list your state (or country) in your profile. So, you might consider jumping over to Sub-Forums: Select Your Area.... and selecting your state for information (i.e., clubs, hunts, finds, legends, maps, etc.) directly related to your state (or country).
Hello nice to meet you what years do they range from websites which are the ones that say one cent. On the back started I believe the year 1910 up to the 1950s