What style is ols school in tattooing

The style of the work is bold with solid lines of black outlines. Most of the themes are beautiful women, hearts, skulls, roses, daggers, anchors and so on, and from its image you can peep into the situation of people's lives at that time. >

There are roughly 17 tattoo styles, divided into newschool and oldschool, tribal styles, motorcycle clan styles, Japanese styles, Chicano styles, realistic styles, portrait styles, Chinese painting styles, totem styles, steampunk styles, conceptual styles, gothic styles, 3D styles, Thai traditional - tattoo runes, dot tattoo styles, Indian haina, small Fresh style.