Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Mardy Colliery, certificate
Souvenir certificate of underground visit to Mardy Colliery ("the last pit in the Rhondda") during Open Day on 16 December 1990. Issued to B. Jones.
Pwnc
Diwydiant
Rhif yr Eitem
90.90I/2
Derbyniad
Donation, 1990
Mesuriadau
Meithder
(mm): 210
Lled
(mm): 295
Deunydd
papur
Lleoliad
In store
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