set of seamless crossed guilloche patterns. safety net watermark for certificates or banknotes, money , currency. background

abstract backdrop background bank bill black card certificate coupon decor decorative diploma element fabric fashion geometric gift graphic gray guilloch guilloche guilloched illustration lathe lines mesh modern monochrome net ornament ornamental outline paper pattern print repeat repetition safety scrapbook seamless security texture trendy vector voucher wallpaper watermark wavy wrapping zigzag