If you want an answer then you need to state the current condition of the rifle, also is it a 99 Target Special, 99 Champion or 99 Lucky McDaniels.
You need to give it some sort of rating like Poor, Fair, Good, Very Good or Excellent in order for me to answer you with a current value.
There are several varations of the model 99. Your best answer should come from Daisy. Daisy offers a free service to answer questions about old Daisy airguns see the link below
made in 1967
The Model 99 was made between 1959 and 1979 in Four different Variations.
There are 4 different variations of the Daisy Model 99, starting in 1959 to 1979. Daisy offers a free service to tell you more about your old BB gun. See the link below
It all depends on which Daisy model 99 you are asking about. 99 Target special: Variant 1=1959, Variant 2=1960-1979 99 Champion: mfg 1967 99 Lucky McDonalds: mfg 1960
Daisy offers a free service to tell you more about your Old Daisy. See the link below.
ABOUT 560 DOLLARS
$2,000
Your best answer should come from Daisy. Daisy offers a free service to answer questions about old Daisy airguns see the link below
What physical and mechanical condition is it in? That determines the value.
The Model 99 was made between 1959 and 1979 in Four different Variations. For more information See the link below.
A web site entitled the model 99 should be able to help you locate the date of manufacture for your Savage model 99 rifle.