open the PDF (Owners Manual) when the page opens.https://support.crosman.com/hc/en-us/articles/203361124-340-Owner-s-Manual-1968-1986-
It is a Benjamin Air rifle. Benjamin Franklin is just a quote printed on the side.Mgf 1968-92the age of your model 342 Benjamin air rifle can be found on crosman's website, but I have saved you the trouble:RIFLE Models: 340, 342, and 347YearStarting Serial NumberEnding Serial Number1968T1000T55291969T5530T613521970T61353T902631971T90264T1139661972T113967T1495341973T149535T1809391974T180940T2104991975T210450T2476511976T247652T2783991977T278400T2982411978T298242T3266991979T326700T3595681980T359569T3795001981T379501T4263051982T426305T430000 &UP
It was made in 1969.
I would use Crosman Pellgun oil. Or RWS air gun oil.
It was made in 1980....
You didn't state the condition of the rifle so no estimate of value can be determined. It was made between 1969-92
$125
This Benjamin Model is part of 3 rifles that are in a series. The 340 is a .175 BB rifle. The model 347 is a .177 Caliber Pellet rifle and the 342 is a .22 caliber pellet rifle. this line of air rifles was made between 1969 to 1986 (Model 340) and 1969 - 1992 (models 347 & 342)
Serial numbers are usually on the left side of the barrel near the breech (loading port)
Today the Benjamin line of air guns belong to Crosman air gun company. Crosman offers a free service to locate shops that repair older Crosman, Benjamin and Sheridan air guns & rifles. See the Crosman link below to locate a shop.
If you are asking about the Benjamin Air gun model 342? It was made between 1969-1992
The value of a benjamin sheridan 392pa 5.5mm 22cal air rifle is $185
Today Crosman air gun company owns both the Benjamin and Sheridan line of air guns. The .22 caliber model 342 was made between 1969 -1992. Crosman offers a free service to locate repair shops that repair older Benjamin, Sheridan and Crosman air guns and rifles. These shops usually have all the parts needed to repair the air guns. The link is on the Crosman home page. See the link below.