¹The voucher is worth 15% subject to a minimum spend of £40. Valid up until 26.11.2018 on all glasses and sunglasses at Mister Spex. The voucher may not be combined with any other coupon, offer or special promotion. It is not permitted to commercially publicise this discount (e.g. on voucher websites or blogs). The value of the voucher will not be disbursed in cash.