The offered fossil eggshell derived from a Saltasaurus from the kind of Titanosaurus.
With an age of about 70 million years ago it is a fossil of the Cretaceous period.
The fragment has a size of 4.2 x 2.2 x 0.6 cm and weighs 7.4 g.
A card with explanation of the location with a photo is attached.
The specimen is sent in a storage bin.