Small Campers How Can I Find Out How Old My Little Handy Campers Stove In A Can Is.it's Smaller Than A Small Coffe Can?

How can i find out how old my little handy campers stove in a can is.it's smaller than a small coffe can? - small campers

This is an old green keep a lid on a little color and beige in color, as Well.I who has over 40 years and has been in the family for a long time for a pan. This camp is really little etching "essence" out of gas (white), no information on this subject is greatly appreciated.