This offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onT-16 Analogue Octave – Mint ConditionFor sale is my T-16 Analogue Octave in mint condition. It has only been used a few times, exclusively at home, and is fully functional with no issues whatsoever.The pedal is in excellent cosmetic and working condition, showing virtually no signs of use.I'm selling it simply because it doesn't get enough use.Condition: Mint (used only a few times).

If you had an Unicorn Account you could see a chart with the price development of this module and the average price asked for this module.
About the Unicorn AccountDisclaimer: Modules listed for sale on the ModularGrid Marketplace are offered explicitly by their respective owners. ModularGrid is not affiliated to the sellers and takes no legal responsibility in any transaction. The internet is a rough place and fraudulent behavior can occur. Always prefer having Buyer Protection when you make a purchase using PayPal. Don't use Friends & Family unless the seller is your friend or family!