Just wondering the value 40s to 50s carpenter nail art

a guy wants to sell it and told it is many years old and  very expensive. He doesnot have any documents. Thats the reason why he is ready to sell it on cheaper price. 

This is a Shot Glass size measuring glass for Herbs (probably liquid), the measurements are on the opposing side.     It reads as follows.

Our Native Herbs

The

Alonzo O. Bliss Co. - The Z in Alonzo is backwards.

Washington

D.   C.

Proprietors

three white lenses on front and amber lens on the bottom with a light inside

I would like to know approximate age and value of this silver chest.

This is a picture of the gravy boat.  I also have the matching plates and possibly the entire set, just want to know if its worth digging them out.