Vershab looks at Lehasti with confusion as she explains what is so obvious to others (but not to him). The arcanist then seems to retreat deeper into his hooded cloak, an action that his allies might recognize as embarrassment. He follows along as the party looks for a reasonable gift, but does not add anything to the discussion, his own lack of social graces already made obvious.

Spoiler: OoC
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Vershab wouldn't know what to suggest - all three items are entirely superficial, and he simply wouldn't understand.

As a player, I would suggest that the fan is likely too similar to her "job" and the amphora too bulky to be practical while traveling. The earrings could be construed as too personal, though... Maybe I shouldn't make the suggestion as a player either!