10-50 usd
It is a type of Pistol. The link below has more information that you may be interested in.
egunparts, pawn shop, gun shop, gun show, want ad
The Mod Squad - 1968 The Loser 2-26 was released on: USA: 7 April 1970
300-600 USD depending on box, papers and what "excellent" translates into when sold/bought and to who (ind vs. dealer)
The Mod Squad - 1968 A Seat by the Window 1-26 was released on: USA: 15 April 1969
The value of a RG 25 pistol mod 26 with two clips can vary significantly based on its condition, local market demand, and whether it includes original packaging or documentation. Generally, you might expect it to be valued between $100 to $300. For a more accurate appraisal, it's best to consult a firearms dealer or check recent sales listings for similar models.
Absolute value of 26 is 26.
proboly around 8
-36
The Mod Squad - 1968 The Sands of Anger 4-7 was released on: USA: 26 October 1971
-26
3, since 3*9 = 27 = 1 (mod 26)