Description: A 9ct gold mail sack charm with the letters 'GPO' on the outside, which stands for 'General Post Office'. The charm reveals a letter inside, with hearts on one side and 'I Love You' on the other.
Metal: 9ct yellow gold.
Marks: 375 London 1965.
Measurements: 20.5mm x 9.5mm x 8.5mm.
Weight: 2.81 grams.
Condition: Excellent.