| 购 | gòu shū quàn | book token | 
| 购 | gòu | to buy / to purchase | 
| 书 | Shū | abbr. for 书经 | 
| 书 | shū | book / letter / document / CL:本,册,部 / to write | 
| 券 | quàn | bond (esp. document split in two, with each party holding one half) / contract / deed (i.e. title deeds) / ticket / voucher / certificate | 
| 券 | quàn | variant of 券 |