Fluorescent brightener describes some

[ FWA ] fluorescence banknote paper with special fluorescent and fluorescent technology manufacturing yuan bill , authorities have not released on the " fluorescent note" For more  calcium zinc stabilizer information , allegedly belonging to state-issued "experimental" , circulation number is unknown, but compared with the general yuan , certainly much less.
Fluorescence note is the rise of a new kind of coin collection , allegedly considerable amount of surviving fluorescent banknote rare, belongs to all of the coins were only a fluorescence test banknote counterfeiting technology , is a special investment products, the antimony flame retardant  success rate of fluorescence banknote printing only a few percent , so the coin is extremely valuable.
Some experts believe that the fourth set of RMB fluorescent banknote will be the fourth set of RMB future mainstream collections , and fourth sets of Siamese will occupy the same position . Note in each one fluorescence under fluorescent lamp , with different special fine patterns.
Fluorescence notes in the fourth set of RMB and fifth set of RMB transition process occurs . Because of the  carbon black fourth set , collection rates have been five sets of RMB Scoop high, collectors began to study another version of the yuan , only to find a fluorescent note this phenomenon.
Money market began pursuit of speculation, " fluorescent note " name , are based on the RMB appears under fluorescent pattern named . For example , there is a fourth set of RMB version else a dime , under fluorescent light will shine like the blue skies of blue sky, white light shining silver , so called " blue sky day " ;