The IPDA has developed a set of guidelines to assist members and guests.  These cover  the following 9 topics and are explained in detail


.  These will be updated and perhaps refined over time. Members are encourage to  help improve these.  Conformance to these guidelines by IPDA members ensures collectors can buy from IPDA sellers with confidence.


Listing descriptions

Use of Quality codes

Use of Grading statements

List Prices


 Genuine Stamps

Communication with the Buyer