This years Antique Doorknob Convention was great fun of non stop buying and selling. Read the article and perhaps you would like to join us next year! https://pantagraph.com/news/local/history/antique-doorknob-convention-in-bloomington-turns-heads-of-history-buffs/article_1258ec00-0ab4-11ed-b044-2723056be1c6.html. #antiquedoorknobcollectorsofamerica #antiquedoorknobs #antiquearchitecturalbuildershardware #vintagehardware