A beautiful, all original, stamped for Chester 1923, double Albert.
 
It ticks all the boxes if you're looking for a short, graduated, heavy, investment chain. 
 
For size reference my neck measures 12.5" and it fits with plenty of give.
 
Material - 9ct rose gold 
Hallmarks - stamped on every link, both dog clips, all jump rings and tbar. One central link is stamped with the Chester mark and the letter X for the year 1923
Country of origin - England
Length - 15"
Widest width - 7mm
Narrowest width - 4.5mm
Tbar drop - 2cm
Tbar length - 3.5cm
Length of extra links - 2cm
Weight - 38.68g
Condition - perfect antique condition, no wear to the links, dog clips secure and in full working order