Originally the term masterpiece referred specifically to a piece of work by an apprentice or journeyman who wanted to become a master craftsman in the European guild system of the Middle Ages. That piece was often displayed in the guild house as evidence that the worker had sufficient skill and expertise to warrant being a master at his chosen craft.
expert proof materials
Laser Targeted Media For Recognized Experts
There are a number of different media, all of which are now open to individuals because of advances in technology. It will take you very little effort to produce EPM (Expert Proof Materials) in multiple formats. Here are just a few of the materials you can produce and distribute quickly and inexpensively.