FeelUnique.com currently have 10% off everything sale with code WISH applied, including sale stock.
Found this offer for 50ml gift set Mont Blanc legend spirit.
also 8.4% cashback via TCB taking price below £20. not bad in my opinion, nice refreshing scent, great idea for a Valentine's gift too.
sorry link wouldn't paste (maybe mods can help out), just go to FeelUnique.com and look under Men's fragrance, Eau De Toilette