The Vam 15E comes in two types. The first has an I clash that is bold & deep Clashed.
The pic above is of this type. I have a 58 holder & now this one in a 63 holder.
The second type is past polished version where the I clash is far less visible.
I have an Au & there is one in a NGC 64 holder that is on SSDC as hidden or unclaimed.
Yes, the Vam 15E and Vam 1B are kissing cousins and did meet up in an after hour SF party.
Seems, there were many after hour party’s in SF that first started April 16/17 1878 &
I believe