Vintage Birks Sterling Oval Ring

Vintage Birks Sterling Oval Ring, art deco engraved, 1.5 cm long size 4 5/8 or 15.5 mm It is marked on the band and on the back of the oval which is hard to read unless you have a loupe. This ring would be perfect for a little girl, it is very pretty and small. It was purchased at Birks at Oakridge in the mid 70's