outer ring material

6 triples
GPTKB property

Random triples
Subject Object
gptkb:toonie nickel
gptkb:Slovenian_2-euro_coin nickel brass
gptkb:Finnish_1_euro_coin nickel brass
gptkb:Mexican_5_peso_coin aluminum-bronze
gptkb:Portuguese_2_euro_coin nickel brass
gptkb:Canadian_$2_coin_(2015) nickel-plated steel