The edge letters on the Plum Flower Great Wall silver "matte proof" medal say "Ag 999" and "the medal number". NGC is now grading these as mint state ("MS") medals and not as matte proof ("Matte PF") medals. I do not know if they have consistently done this or if there are any medals from the past with a "matte proof" designation on the NGC slab. I do not know how many were minted or the numbers used on them.

Does anyone on this forum own one of the Plum Flower Great wall silver proof medals with an NGC slab showing edge letters?

If the silver proof medal was minted before the matte proof medal, it will be surprising if the matte proof medal has edge letters (including a medal number) and the proof medal does not.

I find it difficult to talk about proof and matte proof medals. It is easier for me to refer to proof and mint state medals.

Mark Bonke

NGC has not been consistent in assigning the right strike type, and was wrong with these "fully sand-blasted" or fully frosted coins and medals. The matte silver Year of the Child, Football, Volleyball, China Empress, 1986 WWF Panda and a couple of other fully frosted coins were labeled as MS at first, and later on as SP or matte proof. From the minting process/technology perspective, these cannot be MS, which is reserved for business strikes. The characteristics of proof strikes, such as carefully prepared blanks, repeated striking, slow striking with high tonnage, individual handling of the finished product, all applied to these matte coins and medals. It is strange for an experienced grading company to assign MS as long as there are no mirror fields. Probably because there were not that many matte proofs among US coins?