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Box Processing Dates

In April 2018, Post cereal collector Fred McKie posed a question about the card in the rightmost position on the 1961 Post Tens baseball trays. He noticed that some of those cards were stamped with three or four digit numbers. The numbers are many times upside down. Orlando Cepeda's Post Tens' card shows varying dates of 109 and 1090. Collector and former Post employee Bill Rothney was consulted and offered information that three of the digits likely show the Julian date the box was filled with product. Post Tens trays from the football promotion were checked for similar numbers and four digit numbers were also found as were numbers on the bottoms of boxes of both football and baseball promotions. Instead of being stamped in ink, the numbers on the boxes were punched into the cardboard. Terry Faulk, another retired Post employee and collector was contacted and revealed that the first digit in the four digit code stood for the last digit in the year meaning that the number 2 would represent a date sometime in 1962. Similarly 1 stood for 1961 and 3 for 1963. The last three digits of the code were indeed the Julian date which is simply the sequential day of the year starting with 001 for January 1 and ending with 365 for December 31. A Julian chart is shown below as well as a listing of known 1962 Post cereal football box processing date codes. The chart shows that boxes were being filled as early as June 29, 1962 and as late as October 10, 1962. Collectors with any box processing dates are highly encouraged to e-mail any additional codes that will be added to the chart. Thanks to Terry Faulk, Bill Rothney, Fred McKie, Ken Marks, Dave Worley, David Charles, Mike Skiles and Dan Mabey for contributing to the exploration of the processing code dates.

Post Cereal Football Box Processing Dates
Product Panel Code Date
AB13 2222 8/10/1962
AB8 115 2190 7/9/1962
AB8 124 2191 7/10/1962
BF16 134 2262 9/19/1962
GN11 74 None
GN16 130 None
GNF12 2224 8/12/1962
GNF12 2243 8/31/1962
GNF16 119 2180 6/29/1962
P10 10 2248 9/5/1962
P10 10 2257 9/14/1962
P10 119 2232 8/20/1962
P10 119 2281 10/8/1962
PT12T 66 2235 8/23/1962
PT12T 132 2283 10/10/1962
PT18 1 2269 9/26/1962
PT18 131 2288 10/15/1962
PT18 131 None
RB10 9 2220 8/8/1962
RB14 102 2213 8/1/1962
RB14 120 228x 10/7-16/1962
RK10 16 None

 

Julian Calendar Date Chart
Day/Month January February March April May June July August September October November December
1 001 032 060 091 121 152 182 213 244 274 305 335
2 002 033 061 092 122 153 183 214 245 275 306 336
3 003 034 062 093 123 154 184 215 246 276 307 337
4 004 035 063 094 124 155 185 216 247 277 308 338
5 005 036 064 095 125 156 186 217 248 278 309 339
6 006 037 065 096 126 157 187 218 249 279 310 340
7 007 038 066 097 127 158 188 219 250 280 311 341
8 008 039 067 098 128 159 189 220 251 281 312 342
9 009 040 068 099 129 160 190 221 252 282 313 343
10 010 041 069 100 130 161 191 222 253 283 314 344
11 011 042 070 101 131 162 192 223 254 284 315 345
12 012 043 071 102 132 163 193 224 255 285 316 346
13 013 044 072 103 133 164 194 225 256 286 317 347
14 014 045 073 104 134 165 195 226 257 287 318 348
15 015 046 074 105 135 166 196 227 258 288 319 349
16 016 047 075 106 136 167 197 228 259 289 320 350
17 017 048 076 107 137 168 198 229 260 290 321 351
18 018 049 077 108 138 169 199 230 261 291 322 352
19 019 050 078 109 139 170 200 231 262 292 323 353
20 020 051 079 110 140 171 201 232 263 293 324 354
21 021 052 080 111 141 172 202 233 264 294 325 355
22 022 053 081 112 142 173 203 234 265 295 326 356
23 023 054 082 113 143 174 204 235 266 296 327 357
24 024 055 083 114 144 175 205 236 267 297 328 358
25 025 056 084 115 145 176 206 237 268 298 329 359
26 026 057 085 116 146 177 207 238 269 299 330 360
27 027 058 086 117 147 178 208 239 270 300 331 361
28 028 059 087 118 148 179 209 240 271 301 332 362
29 029 088 119 149 180 210 241 272 302 333 363
30 030 089 120 150 181 211 242 273 303 334 364
31 031 090 151 212 243 304 365