At the end Adler gives Holmes a picture of her son from a pendant which the picture fits exactly and is much smaller than Holmes,s pendant but a little later it is seen in Holmes,s pendant and it is a perfect fit.
The weight and value of the stolen gold is described using avoirdupois weight at 16 ounces to the pound ($28,000 per brick). Gold is measured in Troy weight at 12 ounces to the pound ($21,000 per brick).