Walsall Security Printers (WSP) 'First Essay Evaluating Lithographic Bank Note Production' commemorative test note, issued for the IBNS London Congress 1993. Denomination shown as '10'. Serial number 000884. Front features intricate guilloche patterns in yellow, pink, and orange tones with a central WSP shield watermark-style design, IBNS logo, and 'London Congress 1993' text. Back displays 'Walsall Security Printers - Designers & Printers of All Security Documents,' commemorating 100 years (1894-1994) as part of the W.L. Holding Group, with a detailed portrait of founder J. Aspinall and a world map background. Estimated condition: Uncirculated (UNC), crisp paper with vibrant colors and sharp printing detail, ideal for specialized banknote and security printing collectors.