Certificate holder Silver Plate. This Silver Plated Certificate Holder also has a sturdy square stand base. The Certificate Holder is A4 size so would be ideal for birth, Christening, Graduation or Wedding and even divorce. The end cap is removable from the tube to insert your certificate. The Certificate Holder is plain polished and both the tube and the stand can be engraved. Measurements of the tube are: length 223, diameter 28 millimetres, the end caps 32 mm.