Hi Anan,
The example you refer is reportedly a Portuguese-Singhalese specimen, from the XVII century, built on the portuguese snap-match-principle.
Pictures 9 and 11 are indeed details of the same piece.
The example below, in the same picture, is a Singhalese specimen from the XVIII century, also based in the portuguese principle of the period.
Both belong to Rainer Daenhnardt collection.
Fernando
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