"code","variety"
"00"," Normal issue"
"A","Printing variety"
"AK","Printing-inverted"
"AV","Printing-florescent"
"BL","Block"
"BP","Block-plate"
"C","Color - variety(shade)"
"E","Set"
"EP","Set-partial"
"FO","Forgery-O/P"
"FC","Forgery-Cancel"
"FS","Forgery-stamp"
"G","Gum variety"
"L","Cover-/w stamp"
"LF","Cover-First day"
"LN","Cover-stampless"
"LO","Stamp on piece"
"LP","Cover-/w partial stamp"
"M","Multiple"
"MB","Multiple in bklt form"
"MI","Multiple imperforated"
"MO","Multiple-O/P difference"
"MS","Multiple-different stamps"
"MT","Multiple - Tete Beche"
"NO","Unauthorized-overprint"
"NS","Private printing (Unauth)"
"O","Overprint-variety(other)"
"OD","Overprint-double"
"OK","Overprint-inverted"
"P","Paper variety"
"R","Printing-reprint"
"RC","Printing-trial color prf"
"RE","Printing-essay stamp"
"RP","Printing-proof stamp"
"RS","Specimen O/P"
"SH","Sheet"
"SL","Sheetlet"
"SS","Souvenir Sheet"
"U","Perforation variety"
"UI","Perforation-imperf sngl"
"UP","Perforation-imperf pair"
"W","Watermark variety"
"WX","Watermark-error"
"LS","Cover-Sheet on cover"
"LD","Cover-Sheet on FDC"
"BT","Block-Tabbed block"
"ET","Set-tabbed sets"
"T","Tabbed single"
"MG","Perforation-gutter Pair"
"SM","Printing-maxim card"
"CM","Color-missing"
"CE","Color-error"
"UE","Perforation-error"
"SO","Single stamp from SS"
"AD","Printing-Dbl.Impression"
"AE","Printing error"
"EY","Year Set"
"NE","Never Issued"
"OP","Precancel"
"UC","Coil single"
"UL","Line pair"
"UF","Perfin"
"TB","Booklet single"
"TP","Plate # single"
"MP","Plate # strip"
"UD","Coil pair"