We have similar stories and problems here with museums selling or loosing items, precious to their donors. Even cutting a unique TV camera in half to show the inside!
The reality is,  If you donate an item, you are giving it to the organisation and as they are now the legal owner they are entitled to do what they like with it. Unfortunately! 
Martyn, ZL3CK (New Zealand)

Sent from my iPhone

On 18/02/2022, at 8:17 AM, Roy Morgan <[email protected]> wrote:

That experience is all too common, enough so to prevent any of us from donating. 

The (now late) chief photographer of the National Portrait Gallery told with anguish that the Gallery had sold their exquisite painting of the fisherman hauling  a huge fish into his wave-tossed boat. 

Did they REALLY need that half million dollars?

Roy Morgan
K1LKY Western Mass

On Feb 17, 2022, at 12:43 PM, Steve WD8DAS via ARC5 <[email protected]> wrote:
I used to think that donating to a museum was a good way to preserve an historical artifact.
. . . 
I was soured by several experiences over the years.  
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