DH [C] touches ND shoulder and wrist of NDH [5], PO down, while DH changes HS to [8].1
Dublin
[bO], PO > signer is brought towards chin and opens to [L], touching chin with the top of palm.1 For a QuickTime movie of this sign, see Woordenboek Nederlands - Vlaamse Gebarentaal: Dublin (1). (< This means "smile" in BSL, but I don't know if that has anything to do with its etymology?)