I happened to find Greg Howe's pedal sold on "Reverb" < this website. It came with a certificate. I prefered the other model to it. So this is for Greg Howe fan. The certificate will be included.
Sold as it is -  no return -  shipping from USA

Xotic Super Sweet Booster Mini Boost PedalBoost Pedal for Electric Guitar with 20dB of Boost and Internal DIP Switch
With premium components and up to 20dB of boost available, the Xotic Super Sweet Booster pedal is a great way to punch up your tone. The real magic lies in the Super Sweet Booster’s external DIP switch, which allows you to fine-tune which frequencies are emphasized with the boost. Whether you want a broad-range boost or want to focus your mids for more punch and impact, the Super Sweet Booster has you covered. Ask any guitarist at Sweetwater, the Xotic Super Sweet Booster pedal is a versatile tone-boosting tool in a compact format.
Xotic Super Sweet Booster Pedal Features:

    Boost pedal with up to 20dB of boost
    External DIP switch selects which frequencies are emphasized by the boost
    Powered by 9-volt adapter (sold separately)