What is an "official Church stationery"?
ANSWER: Sounds like a fun internet "search":
Key words > Catholic.. Official.. Church... Stationary (stationery?)
See what you come up with. I can't say I've exactly heard of this before. It sounds interesting. Thank you.
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QUESTION: When they ask for such a thing don't they just mean a special document from the bishop? Wouldn't that be "official"?
I'm sorry, Hank...
I just don't think I completely understand your question, as much as I want to try to place it in a context and occasion. I am sorry, and apologize for that.
I suppose that an "official" document from a Bishop would likely be done on a particular stationary, and would bear the stamp of a seal, along with the Bishop's signature.
I don't know who "they" would be who ask for something...
Again, I am sorry; but I wish you a very blessed Lenten season and many Graces.
May God bless you.
Fr. Timothy Johnson