F/G

[allcans]

F

• FAC - abbreviation for fake airfilled can.
  
• Fake airfilled can - Can that's been emptied by making a small hole in the top, so it looks like it has not been opened. This method is very popular with soda collectors from Asia
  
• FBIR - abbreviation for Flat bottom, inverted rib.
  
• Flat Bottom - The original conetop cans has flat bottoms. They were used from 1935-1936. They were replaced by concave bottoms in 1936. American Can Company made some flat bottom conetops in the 1950s that they sold to a few eastern breweries.
  
• Flat bottom, inverted rib. - The first conetop cans, made by Continental Can Company in 1935, had flat bottoms and inverted ribs on the top. The flat bottoms caused filling problems in the brewery and the inverted ribs retained moisture, which caused some discoloration in the metal, harmless but unappealing. In 1936 they were replaced with concave bottoms and everted (raised) ribs.
  
• Flat top - A can with a flat lid which required a can opener known as a "church key" to punch a hole in the can's lid in order to drink the contents. Flat tops were generally replaced in the early 1960s with the invention of the pull tab can. The term is often misused on Ebay to indicate a can which does not have a spout on the top.
  
• Full Can - A can with the beverage still in it. Generally, full cans are not worth more, but full cans from before 1960 may get a bit more money when sold. Full cans have the tendency to go leaking after a couple of years.
  

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G

• Gallon - Term used for cans larger then 1 liter.
  
• Gallon top - Top used on a gallon can
  
• Grading - Ranking the condition of a can usually on a scale of 1-5 with grade 1 being like new and grade 5 being so damaged as to be almost unrecognizable. Some collectors use "mint" to mean a can above grade 1, no imperfections. Grading cans is somewhat subjective.