https://www.etsy.com/uk/listing/204711619/chunky-wooden-postcard-upcycled-postageCoupon codes expire 26th Sept:
RANDOMSALE10 = 10% discount on orders of £5+ (excl. p&p)
RANDOMSALE15 = 15% discount on orders of £10+ (excl. p&p)
RANDOMUKFREEPOST = free delivery for UK buyers on orders of £5+
(sorry, only one coupon per order)