Sorry boys,
quoting Schultz "I know nothing"
Posted rcsd newsgroup circa 2003 IIRC.
Was an
ebay pic, I'll dig around for any text I kept,
but I dont recall seeing an explanation.
I'll check the Richard Witt cinderella collection database as well.
Update:
not at richard witt
AskPhil: Detachment U.S.A.: bogus, overprint on stamps of Belgian Congo.
That's all we have at the moment.