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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面铭文 | Military Payment Certificate Series 692 Fifty Cents 50 |
| 背面描述 | 登录 以查看详情 |
| 背面铭文 | Fifty Military Payment Certificate For Use Only In United States Military Establishments By United States Authorized Personnel In Accordance With Applicable Rules And Regulations Cents 50 |
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Series 681 MPCs were issued in August 1969 as part of a surprise "C-Day" currency conversion in Vietnam — all previous series were declared void within hours, a deliberate tactic to trap black market operators and currency speculators holding large undeclared stocks. Soldiers had a single day to exchange their old certificates; Vietnamese nationals and anyone outside authorized channels was left holding worthless paper.
The 50-cent denomination was a workhorse of the MPC system, used heavily in base canteens and clubs where fractional transactions were common. Series 681 was withdrawn in November 1970 under the same abrupt conversion procedure.