What is this lens worth?

[iamcombat]

It's a Sigma 70-300 f4-5.6 MACRO - EF mount

Has a collapsible rubber hood that screws into the filter threads, missing front and rear cap. Just curious what I may be able to get out of it if I tried to sell it...got it with a 1D I purchased a few days ago

 

[Tee]

The Sigma website has it for $280.00. That should give you a general price range.

 

[KmH]

It's a Sigma 70-300 f4-5.6 MACRO - EF mount

Has a collapsible rubber hood that screws into the filter threads, missing front and rear cap. Just curious what I may be able to get out of it if I tried to sell it...got it with a 1D I purchased a few days ago

Hard to say with no photos to asses the condition of the lens.

No front and rear cap dimishes the value as it indicates the lens wasn't very well cared for.