Extraordinary rare old necklace of whole stone Genuine Baltic Amber in natural shape, not treated(fossilized pine tree resin / succinite); Condition: vintage, as on photos. Size: ± 15-40 mm(length of stones), length 73 cm in total TESTS to indicate the natural amber : Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic color under UV rays. Shipping: safely packed, courier mail with tracked ID. Usual time of delivery: 2-5 business days to worldwide.