No, well … pretty as they may be, the rest of us don’t use shells and coconuts as currency; which is a shame really … they’re prettier, more immediately valuable if you’re hungry/thirsty when the shops are closed and, apart from their bulk, no less useful as tokens of exchange than anything else we use … and I quite like the idea — but, there you go, we don’t pay a woman’s dowry in goats/camels/horses any more either … not in the First World anyway ¹.
Can you get an Amazon gift card?
Put cash on it?
Redeem it on your Amazon account?
Use the funds to purchase things on Amazon?
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¹ Not that anyone sensible would ever offer a horse for a woman, of course ².
² After all, a good cigar is a smoke.