We searched for“Olivetti Divisumma 24 adding machine”(identified as Olivetti Divisumma 24, confidence: High)
Typical realised range (Gemini estimate): £50-£200
Comparables
96
Median
£3,500
Suggested estimate
£450 – £7,700
25–75% range
£450 – £14,000
Overall range
£10 – £2,937,753
Distribution
Sell-through 100% of lots sold
73% at premier salerooms
Trend↗ rising +10631% over 8y
Median from 45 sold in the last 60 months (widened — few sales in 36mo)·hammer prices, excl. buyer's premium — fair-market auction value (retail/insurance replacement runs higher)
168 comparables for “Olivetti adding machine” · page 40 of 7