rec.games.board.marketplace - join
Trading and selling of board games.
Low activity, 222 subscribers, Usenet

rec.games.board - join
Discussion and hints on board games.
Low activity, 755 subscribers, Usenet

rec.collecting.coins - join
Coin, currency, medal, etc. collecting forum.
Low activity, 1050 subscribers, Usenet

ne.transportation - join
Transportation in New England (driving, MBTA, etc.)
Low activity, 266 subscribers, Usenet

dfw.games - join
Games and Gaming Discussion in Dallas/Fort Worth.
Low activity, 26 subscribers, Usenet

rec.games.playing-cards - join
Recreational (non-gambling) card playing.
Low activity, 131 subscribers, Usenet

rec.games.abstract - join
Perfect information, pure strategy games.
Low activity, 102 subscribers, Usenet

rec.puzzles - join
Puzzles, problems, and quizzes.
Low activity, 1208 subscribers, Usenet