From the brewer:There is a bottling code stamped on the neck but the year is on the label and it is a beer that inproves with age up to 3 years. COAST:Uses abottlingdate. It was glorious. It's on the cases and should be on the bottles and cans. Didn't taste like a damn thing kinda like Montucky but was drinkable and well.cheap. Yes, but that's OK! Golden City:Uses abottlingdate. 1339 1728 means beer was packaged on the 133. day of 2009 (Julian Calendar) at 17:28 (Military Time = 5:28 pm). Some of the batch info is on the website but you can always email the brewer for specifics. Boulder Beer:Uses apull (best before)date. It's stamped on the bottom of the cans and is also on the 4-pack tray. Only the year is written on the label. To the left side would be the 1stof the month, towards the middle of the label would be around the 15thand to the right of the label would be the 30thof the month.