too much
You can go to just about any book store like barnes and noble and find plenty of books on gun prices. You just need to know what condition you gun is in and you can determine it from there.
about 300. dollars
what is the value of 12 gauge skb double barrel ithaca 1900 model
what is the value today
about 23$
1500
150
A used Ithaca model 72 saddle gun in excellent condition is worth around $500.
value of a model 49 ithaca 22 caliber rifle
Made in 1910. Value depends on guage and condition.
Google RST Manuals. I recently bought one for my Ithaca/SKB XL300 for about $7.00. It is a factory re-print and taught me everything I needed to know. They were very good to deal with.