The HP 185A oscilloscope[1], 500 MHz bandwidth, was $2000 in their 1960 catalog[2]. That would be $22,000 in today's dollars. (The brochure doesn't say MHz but uses MC meaning megacycles.) It would be fun to compare the specs to a cheap hobbyist level scope today.
[1] https://hparchive.com/Brochures/HP-185A-Brochure.pdf
[2] https://hparchive.com/Catalogs/HP-Catalog-1960-Short-Revised...