Company stamp (company seal) is used to validate official documents, like contracts, certificates, deeds, etc. Company seals contain the name of the company.
Date Code Stamp are used to insert dates in documents or objects. This includes the Present date, Manufactured date, Expiry date, e.t.c
Numberer is used for numbering reciept, invoice, waybill and products for easy location.
Stampies are used for unofficial purposes such as labelling, art and craft.