- red glass table lamp designed by stepan tabera for czechoslovakian company opp jihlava in early 1970s - two layers of glass - white inside and red outside - bottom base made of plastic. - 1x e26-e27 bulb - us plug adapter included this piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.