| To mark the IRC's centenary, the International Bureau of the Universal Postal Union has offered UPU member postal administrations a special centenary run of Beijing model 2 coupons. |
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| These special centenary coupons are overprinted with the inscription "100 years". |
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| International reply coupon – Centenary version |
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| Since February 2007, only 37 countries have ordered and sold this centenary coupon. |
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| A total of just over 180,000 are available for all these countries, and it will not be reissued. Some countries have ordered only 500 or 1,000, which will reduce the number available to collectors. |
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| This centenary IRC will undoubtedly be highly prized and sought after by collectors because of its small print run. |
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