noun
scrip; interim certificate
A temporary certificate issued to shareholders before the formal stock certificate is delivered, used in corporate and securities contexts.
新株発行の際、まず仮株券が交付された。
When new shares were issued, scrip was first delivered.
株券 is the formal stock certificate, while 仮株券 is a temporary substitute issued before the formal certificate is ready.
Compound of 仮 (かり, 'temporary') + 株券 (かぶけん, 'stock certificate').