A  vintage solid 9ct yellow gold Post Office Savings Bank Book charm, that opens to display paper pages inside  It is beautifully detailed, just like the real thing (for those of us old enough to remember!). 
There is some slight wear to the pages but overall it’s in very good condition and you don’t see many like these.
Fully hallmarked for London 1965 and comes with a jump ring ready to attach to your bracelet.