This month, Australia is going to release a new postage stamp scented with eucalyptus, a native plant down under. The scent could potentially liven up the hobby of stamp collectors as well as effectively promote local agriculture to recipients of mail using the scented stamp.
The Australia Post had been planning a horticultural series, highlighting products derived from native plants including eucalyptus oil, tea tree oil, bush honey and macadamia nuts when it was pitched on the scented stamp idea by a print firm named Ego. It was a natural for the Post to add the distinctive scent of eucalyptus to the planned design.
Ego used a process it calls Scentprint whereby the scent is encapsulated into tiny bubbles in a printable varnish. It is meant to be long lasting, only releasing the scent when the surface is rubbed. The company had previously used this technology to add appeal to magazine covers.
Tests were done to ensure that the gum and paper would not be adversely effected by the special varnish, and that it was completely safe for people to smell, lick and touch.
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