This is a limited edition with a certificate of authenticity and limitation, certificate number 4676 of 5000 worldwide. Assayed and hallmarked by the London assay office 1984/5. Each piece cost £39.00 in 1984 making a total of £975.00. The stamps are in time warp condition, the locking case (with key) has some signs of age and use but, is in very good general condition. Super value at less than a third of the original cost price.