Here's another, later, post on SN, using the Telegram group URL:

*Buy, sell, trade, and offer services in exchange for Bitcoin. Peer-to-peer without a middleman*
https://stacker.news/items/20380
https://t.me/bitcoinp2pmarketplace

cryptocoin

bitcoin

Bitcoin P2P Marketplace - Buy, sell, trade, and offer services in exchange for Bitcoin

sleezypanda777

There are additional comments and info about this marketplace from a previous post here on SN: 

*Bitcoin peer-to-peer marketplace for products/services in Telegram*
https://stacker.news/items/19558
https://t.me/bitcoinp2pmarketplace
https://twitter.com/x218935/status/1513516529912094723
https://nitter.net/x218935/status/1513516529912094723