| Proof of purchase |
LA Times Daily |
09 Apr 2023 |
| Cereal eater's proof of purchase |
LA Times Daily |
08 Mar 2023 |
| Lone Ranger ring request enclosure |
Newsday |
07 May 2022 |
| Proof of purchasing cereal |
Universal |
11 Jun 2021 |
| Cereal buyer's proof of purchase |
Universal |
01 Jul 2019 |
| Old-timey proof of purchase |
The Washington Post |
16 Mar 2019 |
| Old-timey proof of purchase |
LA Times Daily |
16 Mar 2019 |
| Cereal buyer's proof of purchase |
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| Old-timey proof of purchase |
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| Proof of purchase for some contests |
New York Times |
06 May 2018 |
| Proof of purchase for some contests |
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| Old-fashioned proof of purchase |
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| Old-fashioned proof of purchase |
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| Cereal buyer's proof-of-purchase |
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| Certain proof of purchase |
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| Certain proof of purchase |
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| Certain proof of purchase |
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| Proof of purchase |
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