This is a new thing. The Surface Mounted Logo with Shell is like the Inlaid Logo with Shell, only it's not mounted untder the finish and as Valentino observed, can be installed after an instrument is completed.
We have a strict policy on logos that they can only be installed here at the factory.
For reference, here are logo replacement prices for instruments that are already made:
logo style price bronze $75 sterling silver $150 surface with shell $575 inlaid with shell $1150*
*Note that the inlaid logo with shell includes peghead refinishing which is required to add this feature after an instrument is already made.
Here's what the new style logo looks like:
