It is possible to perform selective plating where the selected layer is applied to some part of the object only. It is possible to combine selective plating, for example with gold and ruthenium.
Silver medal partial gilded with pink gold. This combination can be described as a light and subtle way of ennobling.
Ennobling technique which contains 4 precious metals is always a challenge - there is no room for any mistakes.
Main coin's motive has been plated with a ruthenium. This technique works very well when we need to focuse on some specific coin's areas.