Rollei Rolleiflex 4x4 Baby (prototype PR 205)
The Rolleiflex 4x4 Baby (prototype PR 205) is an experimental twin-lens reflex from Rollei, designed to shoot the 4x4cm square format on 127 roll film. As a factory prototype rather than a production model, it sits outside the regular Baby Rolleiflex lineage and exists in extremely small numbers.
Only a single UK auction record underpins this listing: one hammer result of £18,000 in November 2013, achieved at saleroom level before buyer's and seller's commission. With no comparable sales since, there is no meaningful range or median to quote, and any present-day value in 2026 would be set by negotiation between specialist collectors rather than by an active market. Prototype TLRs of this kind are highly condition- and provenance-sensitive, and what one sells for can vary widely depending on documentation.
Sales History
Prices shown are UK auction hammer results — the wholesale level achieved in the saleroom. Neither buyer’s nor seller’s commission is included. Dealer and retail asking prices are typically higher.
Prices updated: November 2013
| Date | Price | Source | |
|---|---|---|---|
| Nov 2013 | EUR 18,000 | Leitz Auction | |
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Auction: Leitz Auction 24 (Lot AI_24_29129) Title: Rolleiflex 4x4 'Prototype PR 205'
Description:
unique black prototype for 127 film with 24x36mm mask and insert, coupled exposure meter, sync. contact on focusing knob, interchangeable finder, the design is quite similar to the Rolleimagic, Xenar 3.5/60mm no.5687896, the camera is illustrated in 'Abring II' p. 124 and Claus Prochnow 'Rollei Report 2' p.432 Estimate: EUR 30,000 - EUR 36,000 |
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Frequently asked questions
What is a Rolleiflex 4x4 Baby (prototype PR 205) worth today?
The only recorded UK auction hammer price is £18,000 from 2013, so its value today is best treated as a specialist collector figure rather than a settled market price.
How much does a Rolleiflex 4x4 Baby prototype sell for at auction?
On the single sale on record it sold for £18,000 at hammer, excluding commissions; with no later results, that one data point is the only firm reference for what the prototype price has been.
Why is the price so much higher than a standard Baby Rolleiflex?
Production Baby Rolleiflex TLRs are relatively common, whereas the PR 205 is a factory prototype that survives in tiny numbers, and rarity of this kind drives the value well above standard 4x4 models.
Is this the same as a regular Rolleiflex 4x4?
No — the PR 205 is a prototype designation, separate from the production 4x4 Baby Rolleiflex cameras that Rollei sold commercially.