[1] It is located in Zeedijk street and was opened in 1927 by Bet van Beeren, herself a lesbian.
The Amsterdam Museum holds a small replica of 't Mandje.
Also, 't Mandje was not specifically a bar for gay men, but more of a tolerant place where prostitutes, pimps, seamen and lesbian women came together.
[3] Café 't Mandje, on Zeedijk 63 in the historic heart of Amsterdam was opened in 1927 by lesbian Bet van Beeren.
After her death in 1967, her youngest sister Greet continued the business until it closed in 1982, but the bar and its entire interior was preserved by her ever since and could be visited upon request.