This is a box of GB used commemorative stamps their is 1 Kilo which is about 10,000 stamps ,their is a good assortment but with any large amounts their will be duplicates which you cannot avoid .the weight is for a kilo of stamps this does not includes the box  so it will be over 1 kilo.Their are pre- 1970's ,square sideways ,upwards  a good selection for all  .These are off paper.Like it Buy it while stocks last. Each box will vary..Best Price ever do not miss them whilst stocks last.