There are two versions of the model 21 "Side by Side"
Ver:1 plastic stock Mfg 1968-72, Excellent condition $650 to $800
Ver:2 wood stock Mfg 1968 only, Excellent condition $875 to $1.100
Add 30% for checkered grip
Add 50-100% for one of the 48 Walnut sets mfg by Reinhart Fajen, Inc
The Model 188 was made between 1979-89. In excellent condition it is worth $45
Made in 1979. In excellent condition it would be worth around $35
The 179 Peacemaker was made from 1960 to 81. In excellent condition it is worth around $110
The model 100 was made in 1962. in Excellent condition it is worth around $40 Plus or minus
Model 80 manufactured 1954-1957 Excellent condition it is worth $210 to $255. Must be in Excellent working order no ware or damage.
This model was manufactured between 1979 to 1989 it is a 24 shot bb pistol. In excellent condition it is worth around $45.
With Scope and Canteen ( Originally came with it.) Mfg 1954-1957 is worth around $250-$300 in Excellent condition ( Like New) model 80/155 is worth $125-$150.
The 799.xxxxx series air rifles were made by Daisy for Sears. This appears to be a Model 1894 Cactus Carbine. In very good condition it is worth about $60 in excellent condition it is worth about $85.
The Daisy 1894 Winchester Commemorative. Value in Excellent condition is worth $175 - $215
If this is the side by side model 21 it was made between 1968-72. In excellent condition it is worth $1000. I have only seen one of these over the years. (Hang onto it.) It could be worth considerably more depending on the configuration.
This rifle (Mauser Model 2000) is worth $350 in excellent condition.
This JC Higgins model was made by Daisy air gun. It's a Daisy model 1894 Western Carbine ( Cactus Carbine ) in excellent condition it is worth $100. It was made between 1960-70. It is model 799.19210 for Sears.