Probably 740
In Gun Trader 2009 edition, the value is upwards of 787.00 in great condition. The bicentennial is more expensive than the regular 742 series because only a certain number was made.
Most remington model 742 woodmasters are selling in the gun shops for between 275-350 dollars.
Take it to a gun smith.
The Marksman was made from the mid 70' to sometime in the 80's. Answers has no way of displaying photographs but I did a web search on "Markaman 740 air gun" and found several images of the rifle. It should not be hard to find them. It's a breal barrel rifle.
The Remington 742 Bicentennial model is a semi-automatic rifle that was produced to commemorate the U.S. Bicentennial in 1976. It features unique engravings and a distinctive design. If you're asking whether a specific gun is a Remington 742 Bicentennial model, you would need to check its markings and serial number for verification.
The "First model Rifle" was made in 1923. The first gun was around 1947.
Your local gun dealer can order (and fit) one for you.
Are you asking about the first Gun or Rifle? The first gun was made in 1935 it was part of the 100 series (100, 122, 177) the first rifle was made in 1899 (the St louis)
The first was the gatling gun invented in 1862
China
The first gun was probably made in the 1400,s.
Bamboo and vines. Cannon.